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hodyreva [135]
3 years ago
9

What impact does the atmosphere have on Earth’s cycles

Biology
1 answer:
valina [46]3 years ago
8 0
The impact of the atmosphere has on earths cycle is it moves oxygen and carbon dioxide through biosphere and transfers water into earths oceans
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A scientist wants to know wheter a particular cell is round or rectangular.How should the scientist observe the overall shape of
dezoksy [38]

Answer:

<em>The shape of a cell can easily be seen through a light microscope.</em>

Explanation:

A microscope can be defined as a device which is used to visualize things which are otherwise not visible to the naked eye. The shape of a cell can be seen even through a light microscope. For example, an animal cell can be seen to have a round shape under the light microscope, a plant cell will be seen rectangular under the light microscope.

Other microscopes such as the electron microscope can even show the organelles present inside the cell.

5 0
3 years ago
One of the traits that we looked at in class was a widow's peak (has peak is dominant, no peak is recessive). For each individua
Marina CMI [18]

Answer:

Explanation: 1) Individual who is bald but neither parents has a widow's peak: As having a peak is dominant and the individual is bald with parents that doesn't have the trait, the genotype is recessive, in the case ww;

2) Individual has a widow's peak: The individual's genotype can be WW, homozygous for the trait or Ww, heterozygous for the trait, depending on the genotype of the parents;

3) Individual can't roll their tongue: Being able to roll the tongue is a dominant characteristics, so if the individual can't roll their tongue means the genotype is recessive. But, there is little evidence that this trait is dominant or inheritable;

4) Individual has a widow's peak  but their mother does not: In this case, the genotype of the individual is heterozygous (Ww), because the mother is recessive (ww) and the offspring has the trait, so the father must have had it;

5) If an individual does not have a widow's peak (ww), which genotype would be impossible? If this individual crosses over with another individual with the same trait, their children will be all recessive for widow's peak (ww), so there is no possibility of an offspring with the trait;

If the initial individual crosses over with an individual with widow's peak, two possiblities can occur:

  • If the crossover is with an individual homozygous for the trait (WW): all their children will have widow's peak with genotype Ww. So, the possibility of not having the peak is 0;
  • If the crossover is with an individual heterozygous for the trait (Ww), there will be a probability of 25% for the children to have genotype WW, a probability of 50% for the offspring to be heterozygous (Ww) and has the trait and probability of 25% to be recessive (ww) and therefore doesn't have the trait;

8 0
3 years ago
If the first child of two parents with polydactyly does not exhibit this trait, what is the probability that their next child wi
Tems11 [23]

Answer:

No

Explanation:

Just because you are deferant dose not mean that your baby wourld have to turn out that way.

4 0
3 years ago
One way to avoid an overgrouth of toxin-producing algae would be to reduce or eliminate
Pavlova-9 [17]
The Use of nitrogen fertilizers near the lake is your answer. 
3 0
3 years ago
SI units are based on multiples of what number?
Romashka-Z-Leto [24]
SI is a base 10 standardized system. I hope this helped and if not I highly recremend talking to your teacher or a parent.
4 0
3 years ago
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