Which of these elements is rarely found in organic molecules?

A.

hydrogen

B.

oxygen

C.

barium

D.

carbon

How to remember golgi apparatus

What sports use the following? Give one example for each muscle. -Pectoral muscles -Hamstring -Gastrocnemius -Gluteus -Trapezius -Quadriceps

How does a man get sexually aroused before intercourse?

Which of the following explains why natural selection acts on the phenotype of an organism instead of its genotype?. A. Phenotypes can be inherited by offspring. B.

A science student makes the following statement. Plant growth is affected by the color of light. What is the student doing?

1. Suppose that xylem were located only in the roots and stems of a plant. Would fluids in the xylem still move? Explain.

What activity will decrease body temperature? Sweating Exercising Adding clothing Shivering

Organisms with true radial symmetry A. tend to be highly mobile. B. do not have a distinct head region and tend to be sedentary or passive drifters. C. can be divided into two matching halves along only one plane. D.

1. The Earth's carbon cycle consists of the flow, cycling, and recycling of all of the carbon on the Earth. Every living organism's composition includes the element carbon. How does carbon become part of living organisms?

Which of these is used to find the precise age of a rock? Index fossils Radioactive dating Relative dating Stratified rock layers