Identify an event that forms part of the Calvin cycle. 1) Light energy is absorbed by a pigment molecule.

2) Carbon dioxide (CO2) is added to RuBP.

3) Protons (H+) are moved against their concentration gradient.

4) ATP and NADPH are produced.

How do you date a sample of rock that you suspect as being one of the earliest on earth

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction

What causes eclipses? check all that apply. earth's rotation on its axis moon's shadow covering the sun earth's shadow covering the moon earth's orbit and moon's orbit occasionally aligning the moon and sun's gravity pulling in the same direction