Please help thank you
What must occur in order for a hanging valley to form?
A. A glacier must form and later grow larger.
B. One glacier must form after another glacier.
C. A cirque must enlarge until it forms a new valley.
D. Two glaciers must erode valleys at different rates.

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.

Two pea plants with yellow peas are crossed. most of their offspring have yellow peas, but about 25 percent of the offspring have green peas. for pea color, yellow is the dominant trait and green is the recessive trait. what does this tell you about the two parent plants? a. the parent plants have only dominant alleles for pea color. b. the parent plants are heterozygous for pea color. c. pea color follows an incomplete dominance pattern of inheritance. d. the parent plants are homozygous for pea color.