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natima [27]
3 years ago
9

True or False: Matter on Earth is never lost. If an animal or plant dies, the matter in the animal or plant will be used over an

d over again.
Biology
1 answer:
Pavel [41]3 years ago
4 0

Answer:

True

that's just how it is

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Which statements about wind are true? Check all that apply.
PilotLPTM [1.2K]

Answer:

  • The wind is caused by differences in air pressure.
  • An anemometer is a tool for measuring wind speed.
  • The wind-chill factor has a cooling effect

Explanation:

Winds move from areas of high pressure to areas  of low pressure. This is because the areas of low pressure are composed of hotter and less dense air. The cooler air from the higher pressure region rushes in to displaces the rising warm less dense air. The direction from which the winds prevail FROM is used to name the winds(such as westerlies blow from West to East). A wind vane, windsock and anemometer measure the direction and speed of wind. As wind passes over the skin, it causes a cooling effect (the wind chill factor) because it blows the sweat away from the skin carrying with it the heat.

7 0
3 years ago
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Which statement best describes a physical change? This is Physical Science :)
alexandr402 [8]
Your answer would be C as a physical change is characterized as a change in physical appearance be it shape, phase, or size. A good example is an ice cube when it melts, it may look different but its chemical composition is the same and the change from is ice to water is reversible unlike a chemical change like baking a cake which cannot be reversed to its original state before it went into the oven. Hope this helps!
7 0
3 years ago
With a population in Hardy-Weinberg equilibrium, the A allele has a frequency of 0.60, and the frequency of the a allele is 0.40
valkas [14]

Following the Hardy-Weinberg equilibrium theory, the frequency of the heter0zyg0us genotype is 2pq. In the exposed example, 2pq = 0.48.

<h3>Hardy-Winberg equilibrium</h3>

The Hardy-Weinberg equilibrium theory states that the allelic frequencies in a locus are represented as p and q.

Assuming a diallelic gene,

→  The allelic frequencies are

  • p is the frequency of the dominant allele,
  • q is the frequency of the recessive allele.

→  The genotypic frequencies after one generation are

  • p² (H0m0zyg0us dominant genotypic frequency),
  • 2pq (Heter0zyg0us genotypic frequency),
  • q² (H0m0zyg0us recessive genotypic frequency).

If a population is in H-W equilibrium, it gets the same allelic and genotypic frequencies generation after generation.

The addition of the allelic frequencies equals 1  ⇒ p + q = 1.

The sum of genotypic frequencies equals 1 ⇒ p² + 2pq + q² = 1

If the allele A has a frequency of 0.6, and the allele B has a frequency of 0.4, then the frequency of the heter0zyg0us genotype is

2pq = 2 x 0.6 x 0.4 =<u> 0.48</u>

You can learn more about the Hardy-Weinberg equilibrium at

brainly.com/question/3406634

7 0
2 years ago
PLEASE ANSWER!!! TIME LIMITED!!! Which tool would be best for monitoring how land use changes over time?
san4es73 [151]

Answer:

B. Satellite

Explanation:

It has the angles for above and it shows how the land changes through time

4 0
3 years ago
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Which of the following is the best synonym for vales in these lines from “The Lamb”? By the stream &amp; o'er the mead… Making a
Vikki [24]
The best synonym for vales in the lines "By the stream & o'er the mead..Making all the vales rejoice!" from The Lamb will be valleys. The correct answer is C.
4 0
4 years ago
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