Why is the sky blue and plants green. WHY OK.

For many years, experiments showed that light had wave-like properties. For this reason, scientists described light as a wave. More recently, experiments produced data that could not be explained by the wave theory of light.

What part of the paramecium functions as the food entry? a. oral grove b. eye spot c. pseudopods d. food vacuole

300 million years ago, wisconsin was once covered with rock, while West Virginia was covered with swamps. Why do you think west virginia today produces a lot of bad and oil, while wisconsin does not?

The following couples are planning pregnancies. In which situations would the couple most likely benefit from genetic counseling?

What is the primary function of the carbon cycle

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

14. Why are carbohydrates and fats considered high energy foods? A. They have a lot of oxygen atoms B. They have no nitrogen in their makeup C. They have very long carbon skeletons D. They have a lot of electrons associated with hydrogen E.

Of the following lines of flowering plants, which represents the line of evolution that is most closely related to other plant ancestors? Basal Angiosperms

What need to be recognized by the t cells on the antigen presenting cells before becoming fully activated?

In humans, what normally results in the male sexual phenotype?