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Serga [27]
3 years ago
7

What must happen before a chemical reaction can begin?

Biology
2 answers:
Nitella [24]3 years ago
3 0
The answer should be <span>The activation energy must be reached.</span>
ankoles [38]3 years ago
3 0

Answer:

The reactants need to reach activation energy.

Explanation:

For a chemical reaction there need to be:

1.- The reactants ( the elements or compounds that are going to react).

2.- The activation energy (the necessary energy to start changing the matter in the interchange of atoms among the reactants).

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8 0
3 years ago
If Earth’s plates are always moving, why don’t we have to change the locations and shapes of the continents on the world map eve
yulyashka [42]

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6 0
3 years ago
Which of the following would be most likely to increase erosion rates?
taurus [48]

Answer:

D

Explanation:

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6 0
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True or false the consumption of irradiated food during pregnancy can cause birth defects
guajiro [1.7K]

Consumption of irradiated food during pregnancy can cause birth defects is false.

<h3>What are birth defects?</h3>

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Chromosomal abnormalities and single gene defects are the major genetic abnormality based birth defects, such as Down syndrome and cystic fibrosis etc.

When parents are related by their blood group can also leads to high risk of rare  genetic birth defects.

Hence, the statement is false

Learn more about birth defect, here:

brainly.com/question/9483070

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8 0
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navik [9.2K]

Answer:

b

Explanation:

6 0
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