<span> A. a process by which organism keep internal conditions relatively constant despite changes in external conditions. </span>
B.
<span>Pesticides prevent the destruction of crops.
Pesticides have their advantages and strong disadvantages. With the dawn of science, scientists have unearthed biochemicals that can eradicate a set of pests that constantly bombard and hoard plants which are one of the source of food for humans. </span>
Hydrosphere
Explanation:
- The dolphin swims in the hydrosphere.
- The hydropshere is the region occupied by water on the earth surface.
- They are the oceans, lakes, rivers, glaciers e.t.c
- The hydrosphere makes up 70% the total surface area on earth.
- Ocean occupies a whooping 95% of all.
- The hydrosphere is able to support aquatic life and this is why the dolphin with its streamlined body swims in this sphere.
Learn more:
Atmosphere brainly.com/question/1851697
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