Way is it that when you get really cold your face gets pink and when your hot your face gets pink

People with one sickle cell allele are not likely to get malaria. what is this an example of?

What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?