<span>True. A valid hypothesis must be testable and able to be verified or disputed empirically, because otherwise it is not a scientific hypothesis. A hypothesis that is not readily testable (for example, about a made up or fictional event) are not good hypotheses.</span>
Carbon.
It is the basic building block of the number of living molecules and other atoms.
Answer:
Stomata
Explanation:
The stomata control gas exchange in the leaf. Each stoma can be open or closed, depending on how turgid its guard cells are. In the light, the guard cells absorb water by osmosis , become turgid and the stoma opens.
<span><span>The above statement is false. Compared to deep ocean water, water in the surface has the lesser supply of rich inorganic nutrients. But due to upwelling, </span>the absolute concentration of nutrients in the surface will be higher.</span>
<span>Upwelling brings those lost/sunk nutrients, plankton and carcasses to the surface. The surface then becomes feeding grounds for fish and other ocean life. </span>
