In the diagram above a person at location X on the Earth would experience day when –
1. the Earth revolves around the sun.
2.the Earth rotates on its axis.
3.the moon revolves around the Earth.
4.the sun revolves around the Earth.

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.

1)some people believe that certain drugs such as marijuana should be legalized. do you agree or disagree? 2)what impact might legalization have on forensic science as a field? which drug presents the greatest challenges to forensic science? why?

The development of this new blg-free, hypoallergenic milk is based on a science that came to the forefront 150 years ago. what scientist's work provided the basis for such feats in biotechnology?