Which of the following aids in the weathering and transportation of rocks?

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

Which of the following protists gets nutrients mainly by absorbing molecules from other organisms through their cell walls and cell membranes? a. amoebas b. water molds c. ciliates d. slime molds

Anita thinks that she has heterozygous alleles for red hair.if she is correct, which of these diagrams best illustrates anitas alleles pf red hair