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Eddi Din [679]
2 years ago
15

A substance or molecule that participates in a chemical reaction is called

Biology
1 answer:
puteri [66]2 years ago
3 0

In a chemical reaction, the substances that undergo change are called reactants

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Sliva [168]

Answer:

1st one is no, i think the second is no

Explanation:

hypothesis is an if-then statement and predictions are made based off the hypothesis

hypothesis ex: "if you get at least 6 hours of sleep, [then] you will get better grades on tests than if you get less sleep."

prediction: "i will get a lower grade if I get 2 hours of sleep than I will if I get 6 hours of sleep"

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Name, describe, and give examples of two types of succession in ecosystems. ​
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Answer: Primary and secondary succession

Explanation: In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area previously occupied by living things is disturbed—disrupted—then recolonized following the disturbance.

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