What happens during S-phase of the cell cycle? A) Cell size doubles B) DNA replicates C) Chromosomes form D) Cell prepares to divide

How do soils form? A. Plants cement mineral particles together to form soil. B. Plants provide organic matter and minerals to make soil. C. Erosion transports mineral particles, and plants die and decay. D.

the sun's gravity also affects tides on earth. why does the moon have a larger effect on tides than the sun does

A person with the genetic disorder Klinefelter's syndrome has an extra x-chromosome. Affected individuals have the genotype XXY.

What are the three main skills scientist use?

Suppose you have a container divided by a membrane that is permeable to water but not to sugar. Side A has a 10% sugar solution. Side B has a 40% sugar solution. Both start out at 10 cm in height.

Lesson 16 what is the respiratory system

Whit is the relationship between monomers and a polymer

Which statement about the U. S. Clean Water Act is true?

The United States uses which source of energy to produce almost 40 percent of its electricity? A. solar B. water C. biomass D. wind E. coal

Which cell breaks down carbohydrates