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MissTica
2 years ago
7

I WILL GIVE BRAINLIEST!!!

Biology
1 answer:
Anvisha [2.4K]2 years ago
8 0

Answer:

It's 50%

Explanation:

I just did it right.

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Hello people ~
Westkost [7]

Answer:

a

Explanation:

bees are a primary pollinator

3 0
2 years ago
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Which is likely to be the most important contribution of genetic engineering to the practice of selective breeding?
uysha [10]
Developing crops that are more resistant to attack by pets, is the most important contribution of genetic Engineering to the practice of selective breeding.
5 0
3 years ago
How is enthalpy used to predict whether a reaction is endothermic or exothermic?
Radda [10]

<u>Answer:</u>

<em>329.48 KJ/mol heat is released by the combustion of 2 molof methane</em>

<u>Explanation:</u>

The value of enthalpy determines whether the reaction is exothermic or endothermic. If the enthalpy change is positive, then the reaction is endothermic (heat or energy released) and if the enthalpy change is negative then the reaction is exothermic (heat or energy absorbed).

2CH_4(g)+4O_2(g) => 2CO_2(g)+4H_2O(g)

\Delta H \ reaction=[ 2(\Delta HfCO_2)+ 4(\Delta HfH_2O)]-[2(\Delta HfCH_4)+4(\Delta HfO_2)]

                            =2 ( -(393.5 KJ)/mol)-[2( -74.6 KJ/mol)+4(-241.82 KJ/mol)]

                            = -787 KJ/mol-[ -149.2 KJ/mol-967.28 KJ/mol]

                           = -787 KJ/mol+1116.48 KJ/mol

                                          =329.48 KJ/mol

<em>In this question, </em><em>the enthalpy of formation</em><em> has positive value and hence the </em><em>reaction is endothermic</em><em> in which the heat is released. </em>

3 0
3 years ago
Mitosis is a form of cell division in which one cell divides into two new cells. Each new cell has the same number of chromosome
zepelin [54]

Answer:

growth

Explanation:

as the living organism grow, it's as a result of cell division

6 0
2 years ago
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How does the name photosynthesis offer clues about the meaning?
sp2606 [1]

Answer:

The word photosynthesis contains clues to its meaning: the prefix photo comes from a Greek word meaning “light.” The root synthesis comes from another Greek word meaning “to put together.” Through photosynthesis, plants use the energy of light to put a meal together using water and carbon dioxide.

Explanation:

6 0
3 years ago
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