Answer:
Active transport: movement against a gradient To move substances against a concentration or electrochemical gradient, a cell must use energy. Active transport mechanisms do just this, expending energy (often in the form of ATP) to maintain the proper concentrations of ions and molecules in living cells.
I believe alleles for the same trait are separated from each other during the process of meiosis.
He had no proof to back up this theory and was rejected by the scientific community. People only found evidence after he died. Please make me brainliest
Answer:
Explanation:
Natural gas is most commonly extracted by drilling vertically from the Earth's surface. .Hydraulic fracturing, horizontal drilling, and acidizing are processes to expand the amount of gas that a well can access, and thus increase its productivity.
Answer:
C.
Explanation:
It is an output directly into the water.
