Answer:
B. when the pollen lands on the sticky stigma
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1.Net Energy Gain is a concept used in energy economics that refers to the difference between the energy expended to harvest an energy source and the amount of energy gained from that harvest.
Sperm cells inside the pollen grain travel down the pollen tube and into the ovary which contains the ovules. Fertilization occurs when one of the sperm cells fuses with the egg inside of an ovule
<span>The tendency for an object in motion to remain in motion is called inertia of motion. Meaning the answer is false.</span>
