A roll of 40 quarters weighs 8 ounces. Which proportion can be used to find the weight in ounces, w, of 200 quarters?

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?

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome