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hammer [34]
3 years ago
8

Who discovered that geologic changes are cyclical?

Chemistry
1 answer:
slega [8]3 years ago
7 0
I believe it was James Hutton
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The concentration of calcium in a cell is 0.3%. The concentration of calcium in the surrounding fluid is 0.1%. How could the cel
iragen [17]

Answer:

Primary active transport                                                                                              

Explanation:

In a cell, the movement of molecules like calcium ions (Ca²⁺), <em>to a region having high solute concentration from a region having low solute concentration, through the cell membrane requires metabolic energy</em> and is known as Primary active transport.

It is given that the concentration of calcium in the cell (0.3%) is greater than the concentration of calcium in the fluid surrounding the cell (0.1%). <em><u>So the calcium ions move into the cell and the cell obtains more calcium. </u></em>

<u>Therefore, the cell obtains more calcium by the process of Primary active transport.</u>

4 0
3 years ago
In which relationship do both species benefit?
Kobotan [32]
Explanation:

Mutualism are defined as interactions between organisms of two different species, in which each organism benefits from the interaction in some way.

Commensalism, in biology, a relationship between individuals of two species in which one species obtains food or other benefits from the other without either harming or benefiting the latter.


Parasitism, relationship between two species of plants or animals in which one benefits at the expense of the other, sometimes without killing the host organism.

So the answer is mutualism
3 0
3 years ago
Im completely finish why is it at 99.5 instead of 100??
lesya692 [45]

Answer:

because u need one more assianment before it becomes 100

Explanation:

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3 years ago
Which of the following is not part of daltons atomic theory
White raven [17]
<span>Different elements are composed of different atoms.</span>
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Studies involving humans or animals are conducted under strict policies and procedures. This solution addresses which limitation
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Ethical concerns is the answer

8 0
3 years ago
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