Choose all the answers that apply. Freshwater
does not have salt
Is found in oceans and seas
is useable for drinking
is found underground
is frozen in polar ice caps

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Which muscle is responsible for inhalation ?

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.