An independent variable is that which is: A. Observed to develop a hypothesis.
B. Changed by the scientist.
C. Measured by the scientist.
D. Kept constant.

Find and describe the climate zone in which you live,where else in the world do you find this climate zone? do you have any ideas about why the climates might be similar?

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

Long term exposure to waves can cause sunburns and skin cancer.