What is carbon fixation, and how does it relate to photosynthesis?

it is the absorption of co2 from the air; , and it occurs during the light-dependent reactions.
it is the reduction of co2, and it occurs during the calvin cycle.
it is the conversion of co2 into organic compounds, and it forms 3-pga.
it is the production of co2 during regeneration, and it forms rubp.

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.

Rays from the sun are not considered matter true or false