Answer:
b)a gray cat is the offspring of a black cat and a white cat.
Explanation:
We can eliminate a because sperm is used in sexual reproduction, c is an example of a cat inheriting a trait from it's parents which would be sexual reproduction, and d is 2 plants mating which is also sexual reproduction which only leaves you with b)a gray cat is the offspring of a black cat and a white cat.
Underwater mountain chains called also known as mid-ocean ridges
Answer:
Monocots have bundles of xylem and phloem mixed throughout their stem with vascular cambium between, an arrangement found on many herbaceous plants. Dicots, like trees and many woody stems, organize their parts in rings. A cork cambium, the growth layer, is found between the xylem and phloem in the ring
Explanation:
Troposphere and the stratosphere, thermosphere