HELP I'LL GIVE BRAINLIEST


Which two factors of ocean water would have the highest density?
warm water and high salt content

warm water and low salt content

cold water and high salt content

cold water and low salt content

Answer:d.Additional evidence will change the theory of evolution into a law.

Explanation:

Answer: Four

Explanation:

The leucine-enkephalin binds to the opioid receptors they function as important signaling molecules in the brain. There are four peptide bonds present in them. These are endogenous ligands which act as neurotransmitters and they have morphine like activity that is they suppress the brain pain receptors and depress the central nervous system and provide relief in pain.

Answer:The types of fuels are considered non renewable because you could run out of the fuels quickly, but it would take over a million years just to renew the fuel

Explanation:

The types of fuels are regarded as non-renewable since they might swiftly run out while taking over a million years to replace them.

Non renewable resources are defined as a natural resource that cannot be easily replaced by other natural processes quickly enough to meet demand. Coal or natural gas waste results from the use of non-renewable energy sources. This necessitates increased energy use and environmental protection.

The components of fossil fuels are decaying plants and animals. We rely on those fuels to heat our houses, operate our cars, supply electricity to us, and power manufacturing and industry. Since the creation of fossil fuels requires hundreds or millions of years, they are regarded as non-renewable resources. They cannot be instantly reused after being used.

Thus, the types of fuels are regarded as non-renewable since they might swiftly run out while taking over a million years to replace them.

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Answer:

A. Fewer

Explanation:

This is the only answer that makes sense

The protein domain of STAT3, which is not expected to play a role in STAT3 signaling, is the signal sequence domain. Correct answer: letter B.

The signal sequence domain of STAT3 is a protein domain that is not expected to play a role in STAT3 signaling. This domain is located at the amino-terminal end of the protein and is responsible for targeting STAT3 to the endoplasmic reticulum for further post-translational modification.

The signal sequence is a short hydrophobic region of about 20 amino acids that is recognized and bound by the SRP (signal recognition particle) receptor of the endoplasmic reticulum membrane. Once bound, the SRP receptor helps STAT3 to enter the endoplasmic reticulum, where it can be modified, folded, and transported to its eventual destination.

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Answer:

C

Explanation:

Producers are also known as autotrophs, which they make their own food. Producers capture sunlight energy and use it to convert CO2 (carbon dioxide) and H2O (water) into O2 (oxygen) and C6H12O6 (glucose) for other organisms to use. This process is called photosynthesis.

Over time, California wildfires have become more frequent, intense, and destructive due to a combination of factors such as climate change, drought, and increased human activity in fire-prone areas.

The state has experienced some of its largest and deadliest wildfires in recent years, including the 2017 Wine Country fires, the 2018 Camp Fire, and the 2020 August Complex Fire. These fires have not only caused significant property damage and economic losses but also resulted in loss of life and long-term health effects for residents.

The trend of more frequent and intense wildfires is likely to continue unless effective measures are taken to address the underlying causes and prevent their occurrence.

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Answer: extra currents in the ground will disrupt power grid operations and  high-frequency radio waves used for radio communications will be blocked

Explanation:

In the case of a severe geomagnetic storm, extra currents on the ground will disrupt power grid operations and signals from radio navigation systems will be disrupted and be inaccurate.

A geomagnetic storm is caused by a CME (coronal mass ejection) from the sun that smacks against the earth's magnetic field and causes issues such as

Etc.

Extra currents in the ground caused by the geomagnetic storm will disrupt power grid operations. We can also expect a disruption of all radio signals and communications due to changes in the ionosphere during the storm.

Satellites in the Earth's orbit would likely sustain critical damage and may be rendered inoperable, however, since satellites do not use technology to stay in orbit (this is done by the earth's own gravity) they will not fall to the surface, which is why this option is wrong. The final option is also wrong because high-frequency radio waves used for radio communications will be disrupted and unreliable but not blocked.

That is why In the case of a severe geomagnetic storm, power grid operations and signals from radio navigation systems will be disrupted and be inaccurate.

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Sexual reproduction in plants involves the fusion of male and female gametes to produce offspring with genetic diversity.

Mechanisms that facilitate sexual reproduction in plants are examples:

1)Pollination and Fertilization: Many plants rely on pollinators, such as bees, butterflies, or birds, to transfer pollen from the male reproductive structures (anthers) to the female reproductive structures (stigma) of flowers.

This process enables the fusion of sperm cells within the pollen with egg cells in the ovules, leading to fertilization.

Examples include flowering plants like roses, sunflowers, and apple trees.

2)Seed Production: After fertilization, the ovule develops into a seed. Seeds contain an embryo, formed by the fertilized egg, enclosed within a protective seed coat.

The mature seeds can disperse and germinate to give rise to new plants.

Various plant groups, including angiosperms (flowering plants) and gymnosperms (conifers and cycads), reproduce sexually through seed production.

3)Alternation of Generations: In plants with a complex life cycle, such as ferns, mosses, and liverworts, sexual reproduction involves an alternation between two distinct generations: the gametophyte and the sporophyte.

The gametophyte generation produces gametes (sperm and eggs) through specialized structures, while the fusion of gametes gives rise to the sporophyte generation, which produces spores.

4)Self-fertilization: Some plants have the ability to self-fertilize, where the pollen from the anther of a flower is transferred to the stigma of the same flower or another flower on the same plant.

This allows for sexual reproduction without the need for external pollinators. Self-fertilization can be seen in plants like tomatoes, peas, and certain grass species.

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The answer would be All of the choices are correct.

Homologous chromosomes are known to share the same structural features, such as size, banding patterns, and centromere positions. They also have the same genes located at the same loci positions. Also, one of each pair comes from each parent.

In the practice of science, hypothesis testing is used to develop explanations, acknowledging the possibility of alternative, more accurate explanations.

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Answer:

I would need answer choices to make a definitive answer, but most likely a population ecologist or migration ecologist.

Answer:

1. Newton's second law states that the acceleration of an object is directly related to the net force and inversely related to its mass. Acceleration of an object depends on two things, force and mass.

2. Answer: why in a single fixed pulley the velocity ratio is always more than the mechanical advantage. ... Thus effort is able to lift less load than actual effort applied and hence mechanical advantage is less than

3. Total internal reflection, in physics, complete reflection of a ray of light within a medium such as water or glass from the surrounding surfaces back into the medium. The phenomenon occurs if the angle of incidence is greater than a certain limiting angle, called the critical angle.

7. Mercury which is a metal but a liquid at room temperature. So it cannot be drawn into wires.

8. Hermaphroditic animals—mostly invertebrates such as worms, bryozoans (moss animals), trematodes (flukes), snails, slugs, and barnacles—are usually parasitic, slow-moving, or permanently attached to another animal or plant.

9. A bacteriophage is a type of virus that infects bacteria. In fact, the word "bacteriophage" literally means "bacteria eater," because bacteriophages destroy their host cells. All bacteriophages are composed of a nucleic acid molecule that is surrounded by a protein structure. A bacteriophage attaches itself to a susceptible bacterium and infects the host cell. Following infection, the bacteriophage hijacks the bacterium's cellular machinery to prevent it from producing bacterial components and instead forces the cell to produce viral components. Eventually, new bacteriophages assemble and burst out of the bacterium in a process called lysis. Bacteriophages occasionally remove a portion of their host cells' bacterial DNA during the infection process and then transfer this DNA into the genome of new host cells. This process is known as transduction.

Explanation:

Answer:

A

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The stages of formation of the dead zone in water include the following:

Excessive amounts of nitrogen and phosphorous

promote aggressive biomass growth.

Surface biomass blocks sunlight and prevents

photosynthesis.

High levels of microbial activity consume

oxygen.

Surrounding water becomes hypoxic or anoxic

Root vegetation and phytoplankton decompose.

Large number of fish and other marine

life die. That is 1,2,3,4,5,6 respectively.

A dead zone in an aquatic ecosystem is defined as the area that is characterized by presence of low levels of oxygen that occurs as a result of eutrophication.

The excessive growth of algae due to increase in the availability of nutrients in a waters body leads to the overcrowding. The death of these algae lead to decomposition reaction by bacteria which uses up the dissolved oxygen in the water body making it hypoxic.

Therefore the steps for the formation of dead zone include the following:

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Answer:  In order =

Excessive. Excessive amounts of nitrogen and phosphorous

promote aggressive biomass growth.

Surface. Surface biomass blocks sunlight and prevents

photosynthesis.

Root vegetation and phytoplankton decompose.

High levels. High levels of microbial activity consume

oxygen.

Surrounding water. Surrounding water becomes hypoxic or anoxic.

Large number of fish and other marine

life die.

Explanation: Edmentum

The generation of lipids and steroids is one of the many cellular processes carried out by the smooth endoplasmic reticulum.

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Answer:

A. Total Vit D intake = 1150000212 IU

B. Yes he met his RDA and does not need any supplements

C. 191666702%

Explanation:

I μg = 40 IU

1 oz = 28.35 g

I g = 1000000 μg

A. Low-fat Yoplait yogurt-2 μg = 2 * 40 IU = 80 IU

Cheerios cereal-1 μg = 40 1U

Coffee with milk-07μg = 0.7 * 40 = 28 IU

Turkey sandwich on whole-wheat bread with large garden salad-0.4 g = 0.4 * 1000000 * 40 IU = 16000000 IU Grilledd pork chop. 8 oz = 28.35 * 1000000 * 40 = 1134000000 IU

mashed potato and a side of gnled mixed vegetables-1.6 μg = 1.6 * 40 = 64 IU

Total vitamin D intake = 1150000212 IU of Vit D.

B. Since his RDA is 600 IU, he met his RDA and does not need any supplements of Vit D.

C. Percentage of his RDA Vit D intake = (1150000212/600) * 100% = 191666702 %

Potential Energy

When it’s not moving it’s potential energy but when it’s moving it’s kinetic energy

Answer:

Option D

Explanation:

In habitat fragmentation, a large ecosystem or habitat of any species is converted into small ecosystems in such a way that each small ecosystem remains isolated from each other. Being isolated , random genetic drift comes in picture and reduces the gene flow with in the isolated habitats.

Hence, option D is correct

Answer:

C. wood

Explanation:

The fuel sources commonly used in less developed countries is wood.

Hence, the correct option is C. wood.

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Assuming complete dominance for all the genes, a) the offspring will all be Tall and heterozygous plants. b) 3:1 ratio. c) Punnett squares are used to combinate the parental gametes and make predictions about the possible genotypes and phenotypes among the progeny. d) First generation 100% heterozygous expressing the dominant phenotype. Second generation: 25% homozygous dominant + 50% heterozygous + 25% homozgous recessive. 75% expressing the dominant phenotype + 25% expressing the recessive phenotype. e) Mendel's insight and Punnett squares match perfectly with the expected ratios.

Complete dominance is an inheritance pattern that becomes evident in heterozygous individuals. The presence of at least one dominant allele is enougth to hide the expression of the recessive allele.  In these cases, the individual expresses the dominant phenotype.

The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.

Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.

All these plants will be heterozygous and express the dominant phenotype (Tall).

1/4 = 25% of the progeny are expected to be homozygous dominant

2/4 = 50% of the progeny are expected to be heterozygous

1/4 = 25% of the progeny is expected to be homozygous recessive

25% homozygous dominant + 50% heterozygous = 75% dominant phenotype

Parentals) PP   x   pp

Gametes) P   P     p    p

Punnett square)     P          P

                     p      Pp        Pp

                     p      Pp        Pp

F1) 100% heterozygous expressing the dominant phenotype

Parentals) Pp   x    Pp

Gametes)  P    p    P    p

Punnett square)    P     p

                    P     PP    Pp

                    p     Pp    pp

F2)  Expected Genotypes

      Expected Phenotypes

Mendel's insights into dominant and recessive traits match up perfectly with the ratios that calculated using a Punnett square.

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Answer:

About 0.001 percent of identified microbial life.

Explanation:

In a research study, if one variable is changed to see how it affects behavior, the study is most likely an experiment.

A scientific investigation of the natural world, occasionally encompassing physiological and pathological mechanisms. Clinical trials are an illustration of a research study involving people.

The majority of research studies are published in scholarly (peer-reviewed) journals. These kinds of headings are frequently found in articles: literature review, method, results, discussion, and conclusion. research studies do not include articles that summarize prior research without presenting new findings.

The study is experimental because one variable is under the control of the researchers to see how it affects the response variable. Analyze the study to see if it is an experiment or an observational study.

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Answer:

B

Explanation:

Punnett squares are used to predict the genotypic and phenotypic proportions among the progeny produced by a cross. In this case, 100% of the progeny is expected to be dihybrid BbTt, expressing brown eyes and long tail.

The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.

Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.

In the exposed example, we have two genes involved in the cross,

gene 1 codes for eye color

gene 2 codes for tail length

We will assume complete dominance in both cases.

Cross: between a brown eyed and short tailed monkey and a blue eyed and long tailed monkey

Parentals)       BBtt       x       bbTT

Gametes) Bt, Bt, Bt, Bt   bT, bT, bT, bT

Punnett square)    Bt        Bt        Bt       Bt

                  bT     BbTt    BbTt    BbTt    BbTt

                  bT     BbTt    BbTt    BbTt    BbTt

                  bT     BbTt    BbTt    BbTt    BbTt

                  bT     BbTt    BbTt    BbTt    BbTt

F1) 100% of the progeny is exprected to be dihybrid -heterozygous for both traits-, BbTt.

    100% of the progeny is expected to have brown eyes and long tail.

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Answer:

The river that is the main source of the water in Lake Mead is the Colorado River. The Colorado River is a river in the western United States. The river is about 1,450 miles long. The river starts in the Rocky Mountains of Colorado. The river then flows through Utah, Arizona, Nevada, and California.

Explanation: