The answer would either be emissions into the air or trash from cruise ships. But i would say the answer is emissions
B and c
Its because heavier objects have a higher gravitational force
Answer:
During active transport, substances move against the concentration gradient, from an area of low concentration to an area of high concentration. This process is “active” because it requires the use of energy (usually in the form of ATP). It is the opposite of passive transport.
Explanation:
This may help you out! :)
Diploid. There has to be 2 existing cells already, in order for it to split into 4
