Answer:
a steep temperature gradient in a body of water such as a lake, marked by a layer above and below which the water is at different temperatures.
Explanation:
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Ribosomes- Organelles that help in the synthesis of <span>proteins.</span>
<span>Pesticide use is harmful to human agriculture because it
contains an antifreezing chemical (present in transportation vehicles). When the
chemical seeps into the leaves of the plant, it is distributed all over its
body and remains there. The chemical may still be present there when we are
going to the plant.</span>
C) is correct because light energy is converted into glucose in the process of photosynthesis.Also the air we breath in aka oxygen is exhaled as carbon dioxide which plants convert. into oxygen.Products of photosynthesis are the reactants of cellular resperation.