What two things are used to classify stars on the HR diagram?
A. Temperature and luminosity/brightness
B. Color and shape
C. Shape and Size
D. Age and color

The symptoms that shelly is experiencing result from the interactions between streptococcus pyogenes (a prokaryote) and the cells (eukaryotes) within shelley's body. although there are similarities between these two types of cells, there are also important differences.

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat