What is heat? A. How hot or cold something is.
B. The temperature of an object.
C. The average motion of particles and molecules.
D. The transfer of thermal energy.

Which statements correspond to cellular respiration? co2 diffuses passively into the cell. co2 diffuses passively out of the cell. co2 must be pumped out of the cell. o2 diffuses passively when produced inside the cell. o2 diffuses passively when converted to co2. o2 is pumped in and forces co2 out.

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

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots