Which activity occurs when a flowering plant reproduces? Egg cells move near the petals to catch the pollen. Sperm cells swim through the plant stem to reach the egg cells. A fertilized egg forms an embryo that is stored inside a seed. Pollen grains travel into the fruit to fertilize the embryo.

i think it's they require warm air

explanation:

tornados usually happen when it's raining right so when it's raining it cools down so if the temperature keeps changing then i think a tornado occurs sorry if it's wrong

answer; i believe its (ovulation);

✿   this landform has a high elevation and a high relief

✿   this landform is a mountain