Answer & Explanation:
Cloning is the process of producing genetically identical individuals of an organism either naturally or artificially. In nature, many organisms produce clones through asexual reproduction.
Answer:
carrying capacity (carrying capacity is the total population size that a particular environment can comfortably support with little increase or decrease over a relatively long period of time) given the food, habitat, water e.t.c. that is available in the environment.
It's A, a limiting factor is something that constrains the population size
C) Hydrogen of water is separated from oxygen. DOES NOT OCCUR!
because your heart rate is increasing.