The measure of the distance between a line through the middle of the wave and the top of a crest or the bottom of a trough is? A. amplitude B. frequency or C. Wavelength

Many kangaroo rats live in the sonoran desert of the southwestern united states. they have a variety of adaptations for living in the desert. under which circumstance would the kangaroo rats of the sonoran desert be most likely to develop new adaptations by natural selection?

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin