Urgent! i need

i think it's a and b but i'm not sure.

which describes how photosynthesis differs from aerobic respiration?

(select all that apply.)

a. all of the reactions of photosynthesis occur inside the chloroplast, while only some of the reactions of aerobic respiration occur inside the mitochondria.

b. photosynthesis produces oxygen, while aerobic respiration consumes oxygen.

c. the general equation of photosynthesis is the reverse of that for aerobic respiration.

d. photosynthesis produces carbon dioxide gas, while aerobic respiration consumes carbon dioxide gas.

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s

Osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? view available hint(s)osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? the first law of thermodynamicsthe difference in the height of water columns on either side of a selectively permeable membranethe difference in water concentration across a selectively permeable membranethe difference in sugar or ion concentration across a selectively permeable membrane

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons