Which type of environmental scientist is likely to study how different species of birds interact?
a. hydrologist
b. toxicologist
c. oceanographer
d. ecologist

Ecologist

Explanation: Hydrology deals with water, toxicology deals with the nature, effects, and detection of poisons. Oceanography deals with the study of the ocean and its inhabitants. Ecology is a branch of biology that deals with the ways organisms relate to one another and their surroundings which makes sense in this particular instance.

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14,16 18 reacts with group

a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.