What is a planet?

A

a large ball made of only rock

B

a large ball made of rock or gas

C

a

ball of hot gas that gives off light

What is a baby born early called

Which happens during the second trimester? A. Blood pumps through the heart. B. The stomach produces digestive fluids. C. The lips begin to develop. D. Teeth begin to form.

To balance a chemical equation, it may be necessary to adjust the a. coefficients b. subscripts c. formulas of the products d. number of products

What evidence did Alfred wager use to support his theory of continental drift?

Proteins are constantly being synthesized in a living cell. Why doesn't the number of protein molecules become too great for the cell to contain, leading to cell destruction?

Where do the light-independent reactions of photosynthesis occur? A. Stroma B. Thylakoids C. Cell cytoplasm D. Intermembrane space

What causes pioneer grasses and weeds that have grown in an abandoned field to die?

What specific event triggers the uncovering of the myosin binding site on actin?

How has an increase in temperatures affected snow-covered mountain regions?

What did Stanley Miller's experiment in 1953 illustrate regarding the origins of life? a. It produced the chemicals of life by simulating earth's early conditions. b. It created spontaneous generation, which showed the earth's age. c.