Jennifer was investigating granite, a type of rock that forms when magma deep below the Earth's crust cools off and hardens. What type of rock is granite?

A) bedrock

B) igneous rock

C) sedimentary rock

D) metamorphic rock

Electrical wires are generally protected by a tube of plastic. a similar insulating function is performed in the nervous system by the:

How does a pathogen get spread from one person to another person?

How is lactic acid removed by the body?

F a deer eats grass, what percentage of energy will the deer acquire from the grass? 0.1 percent 1 percent 10 percent 100 percent

Which of the following occurs during binary fission? A. Two genetically identical cell are produced B. A cell grows a large as it can C. The nucleus of a cell divides into two nuclei D. A cell develops a second cell membrane

The absolute threshold is the: A. decreasing sensitivity to a stimulus over time. B. intensity of a stimulus that can be detected in the presence of noise. C. minimal intensity needed to just barely detect a stimulus. D.

Aquatic organisms in lakes and ponds are often able to survive the water underneath a layer of ice because the water underneath the ice remains liquid.

On an evolutionary tree, what is the intersection and common ancestor known as?

Why DNA must unzip before it can be copied.

Dna is a polymer, which means that is made up of many repeating single units (monomers). what are the monomers called?