Answer:
barter trade
Explanation:
because you exchange goods
From my speculation it is loss of habitat and global warming
The answer is B: the instructions for making some proteins are not specified by genes.
The amount of nitrogen in the bay increases with a consequent increase in the population of algae(algae blooms).
In water bodies, there are small plants that are called phytoplankton and algae. These organisms depend on dissolved nutrients to survive in water. These dissolve nutrients some times enter into water bodies through surface run off.
When runoff from farms, suburban lawns, and wastewater treatment plants a watershed gets into a local bay, the amount of nitrogen in the bay increases with a consequent increase in the population of algae(algae blooms).
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