Q16.A needle can be made to "float" on the surface tension of water. What causes this surface tension to form?

Select one:
a. The ability of water to regulate temperature
b. The cohesion of water molecules to each other
c. The ability of water to act as a solvent
d. None of the above X

Answer:

penis

Explanation:

Answer:

A big juicy..............................................................................................................................................................................................................................................................................................................................................................................................

popsicle........... or my d-

Explanation:

A ray is defined by the terms "origin" and "direction." The origin is the starting point or endpoint of the ray, and the direction is the line that extends infinitely in one direction from the origin.

In geometry, a ray is part of a line with one endpoint extending infinitely in one direction. A ray is represented by a single line segment with an endpoint marked by a dot, called the "origin" of the ray.

No, a ray and a line are not the same. A line extends infinitely in both directions and has no endpoints, while a ray has one endpoint and extends infinitely in only one direction. A ray is part of a line with one endpoint marked, called the "origin," and the other end extends infinitely in one direction, called the "direction."

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Answer:All of the finches share similar traits. All of the finches share common ancestors. All of the finches are able to reproduce.

Explanation:All of the finches share similar traits. All of the finches share common ancestors. All of the finches are able to reproduce.

Here is your answer!! According to Darwin's theory of evolution,the finches that lived on the Galapagos Island Similar to members of a family tree because: All of the finches share common ancestors.

Answer:

A threat to the natural restorative nature of the water cycle is acid rain. Acid rain is caused by certain gas emissions in our atmosphere. Volcanoes release some of these gases naturally.

Explanation:

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The force or speed of a machine is multiplied by its mechanical advantage. It is a figure (without units) that indicates how many times the apparatus multiplies a force (or speed). I. M. A. An ideal machine's mechanical advantage is the optimal mechanical advantage. Thus option A is correct.

The ratio of load to effort is referred to as a machine's mechanical advantage. The efficiency of a machine is due to its mechanical advantage. Effort/Load = Mechanical Advantage. The mechanical advantage M A is equal to F 0 F I where F 0 is the output force and F I is the input force.

Therefore, multiplies the resistance force.

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Answer:

Bitumious Coal

Explanation:

Because it's important in generation of electricity and it's raw materialistic behavior it's set to be the most abundant one. It accounts about 45% coal in the whole United States

Answer:

A.

Explanation:

Mutations that happen in sex cells during meiosis are able to pass onto offspring.

"Mutations in sex cells can be passed on to children." Therefore, option (A) is correct.

A mutation in a sex cell differs from a mutation in a non-sex cell in that mutations in sex cells can be passed on to children. Sex cells, such as eggs and sperm, carry genetic information that is passed on to the next generation during fertilization.

If a mutation occurs in a sex cell, it can be transmitted to the offspring and can potentially affect the genetic makeup of future generations. On the other hand, mutations in non-sex cells, such as skin cells or liver cells, cannot be passed on to offspring because they do not contribute to the genetic material of the next generation.

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A.-What was the question that the scientist started with?

What affect does oil contamination have on ocean seaweed?

B.-What was his hypothesis?

His hypothesis is that oil run off would keep seaweed from growing normally.

C.-Identify the independent variable.

The oil.

C.-Identify the dependent variable.

The ocean seaweed.

C.- Identify the control(s).

The water.

D.- What did the data show

The data showed that oil contamination in water does in fact have an affect on ocean seaweed. The plant in water without water grew .20 more centimeters than the plant in the oil contaminated water.

E.-

he can be certain of his conclusion. he can make his conclusion firmer by repeating the experiment with diferent variables and see the conclusion

The chemical containing a carbon-carbon double bond from the given options is B. C2H4. A carbon-carbon double bond is a chemical bond between two carbon atoms in which two pairs of electrons are shared.

A double bond is a chemical bond in which two pairs of electrons are shared between two atoms, resulting in a shorter and stronger bond than a single bond.C2H6 is ethane, which contains only single bonds, C2H2 is acetylene, which contains a triple bond, while C2H4 is ethene, which contains a double bond. Therefore, the correct answer to this question is B. C2H4 contains a carbon-carbon double bond. Option B is correct.

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Explanation:

Answer:

flexation muscles and relaxation muscles

Answer:

fluid-filled organelles are membranous. Nonmembranous organelles are ribosomes, cytoskeleton, nucleolus, and centrosome

Explanation:

Answer: A

The virus will release toxins  that will affect other healthy cells

Explanation:

This is the correct answer as the viru will produce toxins so that they will be able to infect the healthy cell so that when the cell burst then they are able to spread quickly.

When a person breathes in, the diaphragm contracts and the lungs expand, creating a vacuum that draws air into the lungs. The air is then circulated through the lungs, where oxygen is absorbed and carbon dioxide is released.

The diaphragm is a vital muscle in inhaling (breath-in) and exhaling, separates the chest cavity from the abdominal cavity.

When the diaphragm contracts, it flattens and moves down. This increases the space in the chest cavity, which causes the lungs to expand. The lungs are elastic, so they expand when the space around them increases.

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The nitrogen cycle is important to humans in the following way: it converts nitrogen into a form that humans can obtain by eating other organisms (option B).

Nitrogen cycle is the natural circulation of nitrogen in a series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition.

During the nitrogen cycle, atmospheric nitrogen is converted to nitrogen oxides by lightning and deposited in the soil by rain, where it is assimilated by plants and either eaten by animals (and returned as faeces) or decomposed back to elemental nitrogen by bacteria.

The usable form of nitrogen that is assimilated by plants becomes accessible to humans when they consume the plants, hence, depicting the importance of the nitrogen cycle.

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Answer:  It's starts burning body fat.

Explanation:

Answer:

a. arid desert

Explanation:

hope it helps!

Answer:

Dad 1 (Barry)

Explanation:

External stimulus: A rabbit runs away from danger. = fight-or-flight response

✔a rabbit runs away from a fox that is chasing it

These options are in response to internal stimuli.

> a woman drinks water when she is thirsty

> a boy eats food when he is hungry

Answer: Number of eyes (2, 3, or 4)

Skin color (blue, green, or purple)

Number of arms (2, 3, or 4)

Height (tall or short)

Antennae shape (curved or straight)

Wing size (small, medium, or large)

Tail length (long or short)

Ability to glow (yes or no)

Hair texture (curly or straight)

Ear shape (pointed or rounded)

Genetic profile for the imaginary alien:

Trait: Number of Eyes

Dominant gene: E

Recessive gene: e

Possible genotypes: EE, Ee

Possible phenotypes: 2 eyes (EE or Ee), 3 eyes (Ee)

Trait: Skin Color

Dominant gene: B

Recessive gene: b

Possible genotypes: BB, Bb

Possible phenotypes: Blue skin (BB or Bb), green skin (Bb), purple skin (bb)

Trait: Number of Arms

Dominant gene: A

Recessive gene: a

Possible genotypes: AA, Aa

Possible phenotypes: 2 arms (AA or Aa), 3 arms (Aa)

Trait: Height

Dominant gene: T

Recessive gene: t

Possible genotypes: TT, Tt

Possible phenotypes: Tall (TT or Tt), short (tt)

Trait: Antennae Shape

Dominant gene: C

Recessive gene: c

Possible genotypes: CC, Cc

Possible phenotypes: Curved antennae (CC or Cc), straight antennae (cc)

Trait: Wing Size

Dominant gene: W

Recessive gene: w

Possible genotypes: WW, Ww

Possible phenotypes: Small wings (WW or Ww), medium wings (Ww), large wings (ww)

Trait: Tail Length

Dominant gene: L

Recessive gene: l

Possible genotypes: LL, Ll

Possible phenotypes: Long tail (LL or Ll), short tail (ll)

Trait: Ability to Glow

Dominant gene: G

Recessive gene: g

Possible genotypes: GG, Gg

Possible phenotypes: Ability to glow (GG or Gg), no ability to glow (gg)

Trait: Hair Texture

Dominant gene: H

Recessive gene: h

Possible genotypes: HH, Hh

Possible phenotypes: Curly hair (HH or Hh), straight hair (hh)

Trait: Ear Shape

Dominant gene: R

Recessive gene: r

Possible genotypes: RR, Rr

Possible phenotypes: Pointed ears (RR or Rr), rounded ears (rr)

Explanation:

By comparing the DNA sequences of different species, scientists can identify shared ancestry and determine how closely related different species are. This enables them to make predictions about the evolutionary relationships between different species and to reconstruct phylogenies that extend back in time, providing insights into the evolutionary history of life on Earth. Molecular techniques, such as DNA sequencing, are particularly useful for this purpose because DNA is a stable, heritable molecule that is passed from one generation to the next.

Answer:

8

Explanation:

The solution of pH 2 has 6.022 × \(10^4\)  more hydrogen ions than 1 liter of a solution of pH 6 .

Hydrogen ion is defined as the nucleus of a hydrogen atom which is separated from its accompanying electron where the hydrogen nucleus is composed of a particle having a unit positive electric charge known as a proton. The dissociated hydrogen ion, represented by the symbol H+, is traditionally used to represent a proton.

For above given information,

pH = - ㏒ [ \(H^+\) ] = 2

\([H^+]= 10^-^2= 0.01 M\)

This means one liter of solution having pH 2 contains 0.01 mole

so, one mole contains 6.022 × \(10^2^3\)  hydrogen ions .

then, 0.01 mole  contains 6.022 × \(10^2^3\) × 0.01 mole /1 mol hydrogen ions.

0.01 mole  contains 6.022 × \(10^2^1\)  hydrogen ions

pH = - ㏒ [  \(H^+\)] = 6

\([H^+]= 10^-^6\)

This means one liter of solution having pH 2 contains \(10^-^6\)  mole

Thus, one mole contains 6.022 ×  \(10^2^3\) hydrogen ions .

The \(10^-^6\)   mole  contains 6.022 ×\(10^2^3\)  × \(10^-^6\) /1 mole  hydrogen ions

The \(10^-^6\)mole  contains 6.022 × \(10^1^7\)  hydrogen ions

Therefore difference in hydrogen ions = 6.022 ×  \(10^2^1\) - 6.022 × \(10^1^7\)

= 6.022 × \(10^4\)  

Thus, the solution of pH 2 has 6.022 × \(10^4\)  more hydrogen ions than 1 liter of a solution of pH 6 .

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When the carbohydrate cellobiose is digested into two glucose monosaccharide sugars (by cellulase in certain fungal species), the resulting glucose monomers are properly defined as the products

The correct answer is option E.

When the carbohydrate cellobiose is digested into two glucose monosaccharide sugars by cellulase in certain fungal species, the resulting glucose monomers are properly defined as the products.

In a chemical reaction, reactants are the starting materials or substances that undergo a change, while products are the resulting substances formed after the reaction. In this case, cellobiose is the substrate, which is the molecule that undergoes the enzymatic reaction. Cellulase is the enzyme responsible for catalyzing the digestion of cellobiose into glucose monomers.

The enzyme cellulase acts as a catalyst in the reaction, facilitating the breakdown of cellobiose into glucose. Catalysts are substances that increase the rate of a chemical reaction without being consumed or permanently changed themselves. However, in the context of the given question, the glucose monomers produced are the final result or product of the enzymatic digestion process.

Therefore, in the digestion of cellobiose, the resulting glucose monomers are correctly identified as the products (option E).

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Answer:

do it yourself

Explanation:

Answer:

The Answer is gonna be A. They are prokaryotic cells that infect living organisms

This is the right Answer :3

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They are termed dominant and Recessive, for the dominant allele typically masks the expression of the other allele when they are both located in the same cell.

Every gene in a species that reproduces sexually, including humans and other animals, has two copies. The two copies, which are referred to as alleles, may differ slightly from one another. The differences can alter protein expression or produce variations in the produced protein: when, where, and in what quantities protein is produced. Proteins influence traits, so varieties in protein movement or articulation can deliver various phenotypes.

The relationship between two gene versions is referred to as dominant. Each parent gives an individual two copies of each gene or allele. One allele will be expressed if a gene has different alleles; It is the most common gene. Masked is the effect of the other allele, which is called recessive.

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Na+, K+, and insulin cannot cross the cell membrane without help whereas Glucose, oxygen, carbon dioxide and Fructose can diffuse.

Small nonpolar molecules like oxygen and carbondioxide are soluble in the lipid bilayer and so they can easily cross cell membranes. Small molecules such as water can also diffuse through cell membranes but larger molecules such as glucose, cannot diffuse through the cell membranes. Nonpolar molecules can pass through the cell membrane easily. Some larger nonpolar molecules like steroid hormones can also pass through the cell membrane easily. Moving through the cell membrane without the need for assisting proteins is called passive diffusion.

So we can conclude that  Glucose, oxygen, carbondioxide and Fructose can cross the cell membrane without energy.

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Answer:

Any converging lens that has a small focal length (several centimeters) can be used as a magnifying glass. The observed object is placed in front of the magnifying glass so that it is located between the lens and the focus (closer to the focus).

Explanation:

It consists of only one condenser lens of small life (a few centimeters).

The observed object is placed between the magnifying glass and its focus (closer to the focus)

The observer sees an upright and enlarged figure of the object.

In order to like clear video ("sharpen"), the magnifier zooms in or out of the subject.

When the character is most clearly seen, we can find ourselves on a given high species.

For a man with normal eyesight, it is about 25 cm.