A sample of soil was shaken with water in a jar and left to stand. In which order would the different components appear starting from the bottom of the jar? * A Humus, clay, sand, gravel

B Clay, sand, gravel, humus

C Gravel, sand, clay, humus

D Sand, gravel, humus, clay​

Explain why phospholipid molecules form a bilayer. (3 marks)

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4