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horsena [70]
3 years ago
11

Hippos spend most of their time in rivers, but they come out of the water to eat grass. Right now, it's the middle of the night.

The sun is not shining, and the hippos are not eating. What is happening to the carbon in the air around the hippos and the grass nearby?
Chemistry
1 answer:
SVEN [57.7K]3 years ago
8 0
Piensa Robin piensa
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A Chef fills out a 50mL container with 43.5g of cooking oil, What is the density of the oil?
ruslelena [56]

Answer:

.87

Explanation:

p = m/V

43.5/50

.87

4 0
3 years ago
Natural selection is defined as_____ a. the changes that occur in a population that do not affect survival. b. the changes in th
Dmitry_Shevchenko [17]

Answer:

The answer is B, natural selection is the process whereby <u>organisms better adapted to their environment tend to survive and produce more offspring</u>. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about <u>evolution</u>.

5 0
4 years ago
Upon balancing the equation below, how many moles of sulfuric acid are needed to react completely with 6.4 moles of lithium hydr
elena-14-01-66 [18.8K]

Moles of Sulfuric acid needed to react completely : 3.2

<h3>Further explanation</h3>

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products.

Reaction (balanced)

<em>H₂SO₄ (aq) + 2 LiOH (aq) ⇒ Li₂SO₄ (aq) + 2 H₂O (l)</em>

moles of LiOH = 6.4

From equation, mol ratio of H₂SO₄ : LiOH = 1 : 2, so mol H₂SO₄ :

\tt mol=\dfrac{1}{2}\times 6.4=3.2

5 0
3 years ago
Give an example of traits in a population that have changed in response to an environmental change.
mixer [17]

Answer:

When those traits change over time through many generations in response to changes in environmental conditions, scientists call that process adaptation. In the example of beetle color above, the yellow color trait supported successful survival and reproduction in the new environment.

4 0
3 years ago
Please help i will mark you
Bad White [126]

Answer:

an oven cooking food

Explanation:

when it's off it has mechanical energy, when on it has electrical energy transformed to heat energy.

7 0
3 years ago
Read 2 more answers
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