Answer:
1 one is solar system I think so
I would say 1 and 4 are the best answers. GMO crops are clones (genetically identical) so it reduces the genetic diversity making crops susceptible to new diseases.
Answer:
C) The components of the respiratory chain are arranged in order so that an electron passing from one to the next undergoes a sequential drop in energy.
Explanation:
Cheyne–Stokes states that respiration is an abnormal pattern of breathing characterized by progressively deeper, and sometimes faster, breathing followed by a gradual decrease that results in a temporary stop in breathing called an apnea.