Your own opinion .. take a educated guess
provide the barrier that marks the boundaries of a cell.
for the first question:
Ocean currents act much like a conveyer belt. they transport warm water and precipitation from the equator toward the poles and cold water from the poles back to the tropics. this, currents regulate global climate, helping to counteract the uneven distribution of solar radiation reaching Earth's surface.
Answer:
it is necessary to do the additional trials before conclusion
Explanation:
These additional trials should be the same fertilizer on different plants