In the process of coal formation the first form of true coal is called

Briefly discuss why americans are encouraged to aim for the recommended levels of sodium and potassium in their diets in relation to disease prevention

What evidence has allowed scientists to conclude that the common ancestor of modern chimps and humans lived around 7 million years ago? a.

How is a yeast cell different from an onion skin cell? A. Yeast lacks a cell membrane. An onion skin cell has a cell membrane. B. Yeast doesn't have a cell wall. The onion skin cell has a cell wall. C. Yeast has chloroplasts.

If the red colour in zinnias is incompletely dominant over white, how many pink flowers will be in the F1 generation if a red zinnia and a white zinnia are crossed?

Which statement is true regarding the theory of natural selection

Which layer of the atmosphere does all weather take place?

A salt is added to a solution of water. Which physical property of the water is most likely to change?

When the moon is between the Earth and Sun it cannot be seen and is called a ___ moon.

Proteins attract water and hold it within blood vessels, preventing it from freely flowing into the spaces between the cells. this is an example of how protein is used for: a. maintaining fluid and electrolyte balance. b. building antibodies. c.

Identify the fuel that could be classified as a nonrenewable or renewable resource. A) biomass B) geothermal C) wind D) tidal