Would hop speed(how fast rabbits can hop) be a polygenic or single-gene trait ? and why ?

Acid rain is the direct result of acid released by burning fossil fuels. select the best answer from the choices provided ot o f true or false

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

What does natural resource management aim at ?