Soil can best be described as the

A. sandy bottom of the ocean's floor.

B. layer of bedrock four layers beneath the Earth's surface.

C. third layer beneath the Earth's surface.

D. loose covering of weathered rocks and decaying organic matter.

The nurse is teaching a client about healthy methods to lower cholesterol. what change in the diet will aid in lowering cholesterol?

Jan popped up a graham cracker in the shallow bowl. She then set up an electric fan to blow on the graham cracker at three different speed what is Jan dependent variable in this experiment

What type of gametes does a squirrel have?

What are names of some sea plants?

In pea plants, the allele for round seeds is dominant to the allele for wrinkled seeds. If a plant that is heterozygous for seed type is crossed with one that has only homozygous wrinkled seeds, what percent of their offspring would you expect to

Is cytoplasm prokaryotic or eukaryotic

Professor Jones surveyed her six classes and found that students who slept less than 5 hours the night before an exam received lower exam scores than those students who slept 7 hours or more.

When do babies' eye colors change?

three ways minerals form

Based on your knowledge of signal amplification, which type of chemical messenger can have relatively small concentrations within the bloodstream and still get a large response?