Answer:
d
Explanation:
passive transport needs no energy W when transporting from high to low and need energy when transporting from low to high
Most likely clay, silt and sand are to be found in samples of rocks.
Answer:
all of these affect enzyme activity
All the cells in a person's body have the same DNA and the same genes. However, the difference between cells in different tissues and organs is that the "expression" of the genes differs between cells. Expression means that the message from the DNA is being copied and made into protein.
Chemical energy into kinetic energy
