revolutionary
B.
rotational
C.
periodical
D.
elliptical
Answer:
the answer is D
Explanation:
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Due to the length of the question I am giving 25 points per person
Answer:
An ecosystem must contain producers, consumers, decomposers, and dead and inorganic matter. All ecosystems require energy from an external source – this is usually the sun. ... Consumers eat producers – they are unable to make their own food and so must eat other plants and animals. (All animals are consumers.)
Explanation:
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Answer:
It allows scientists to predict the temperature change during a reaction.
It allows scientists to determine how much of a reactant is necessary to produce a certain amount of energy.
It allows scientists to predict whether a reaction might produce dangerous amounts of heat.
Explanation:
Answer:
It allows scientists to predict the temperature change during a reaction.
Explanation: