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Maslowich
4 years ago
14

Write a sentence to explain mitosis using a skin cell as an example

Chemistry
1 answer:
Alex_Xolod [135]4 years ago
8 0
Your skin would heal a wound using mitosis to produce new cells.
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Severe or sudden changes in Earth's atmosphere can cause entire species of animals to die. When all of the members of species di
Oduvanchick [21]

Answer: Extinction

Animals on the verge of extinction are considered endangered species. Some could argue that the phrasing "threatened" is synonymous to "endangered". Some classify extinction based on if the species is completely wiped out in the wild, or if the species is completely gone (both in the wild and in zoos for instance). Extinction events are not solely due to the changes in atmosphere, but also due to lack of food or habitat, among other possible factors.

7 0
3 years ago
Which of the following leads to a higher rate of effusion?
Basile [38]

Answer:

b. Lower molar mass.

Explanation:

  • <em>Thomas Graham</em> found that, at a constant  temperature and pressure the rates of effusion  of various gases are inversely proportional to  the square root of their masses.

<em>∨ ∝ 1/√M.</em>

where, ∨ is the rate of diffusion of the gas.

M is the molar mass of the gas.

<em>As the gas has a lower molar mass, it will have a higher rate of effusion.</em>

6 0
4 years ago
The first dinosaur skeleton two was what kind of dinosaur
tensa zangetsu [6.8K]
Spinosaur the dinosaur
3 0
3 years ago
Read 2 more answers
The excessive demand of energy leads to......​
dem82 [27]

Answer:

industrial activity

Explanation:

3 0
3 years ago
How many moles of oxygen are needed to make 12 moles of magnesium oxide ?
Artemon [7]

Answer:

6 moles of oxygen are needed to make 12 moles of magnesium oxide.

Explanation:

First of all you should know that the balanced chemical equation is:

2 Mg + O₂ → 2 MgO

The rule of three or is a way of solving problems of proportionality between three known values and an unknown value, establishing a relationship of proportionality between all of them. That is, what is intended with it is to find the fourth term of a proportion knowing the other three. Remember that proportionality is a constant relationship or ratio between different magnitudes.

If the relationship between the magnitudes is direct, that is, when one magnitude increases, so does the other (or when one magnitude decreases, so does the other) , the direct rule of three must be applied. To solve a direct rule of three, the following formula must be followed:

a ⇒ b

c ⇒ x

So:

x=\frac{c*b}{a}

In this case the rule of three applies as follows: if 2 moles of magnesium oxide are produced from 1 mole of oxygen, 12 moles of magnesium oxide from how many moles of oxygen is produced?

moles of oxygen=\frac{12 moles of magnesium oxide* 1 mole of oxygen}{2 moles of magnesium oxide}

moles of oxygen= 6

<u><em>6 moles of oxygen are needed to make 12 moles of magnesium oxide.</em></u>

4 0
4 years ago
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