Why is the current atomic model called the electron cloud model

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.

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000