The answer to your question is D. Reactants
The action of compressing or being compressed.
the reduction in volume (causing an increase in pressure) of the fuel mixture in an internal combustion engine before ignition.
Answer:answer in explanation
Explanation:They are the integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, and reproductive systems.
D. Lichens live on other plants and provide nutrients for them, it’s a type of symbiotic relationship.
Answer:
The correct answer is - option C.
Explanation:
Chemical energy is the energy that every substance or chemical have and its not affected by the presence or absence of the enzyme, while the activation energy is the required energy to initiate for a chemical reaction. If the energy of the chemical reaction is less than the activation energy reaction will not take place.
Presence of a enzyme lowers the amount of the energy for the initiating the reaction which is activation energy and the chemical reaction takes place.
Thus, the correct answer is - option C.