Answer:
but i think its the amount of water
Explanation:
sorry if im wrong
The answer is the anther because an ovule and an ovary are female reproduction parts and a pollen grain does not produce sperm nor is it hard.
Try researching the discovery of microscopes and their impact on scientific discoveries, including cells!!!
Answer:Warming of the Earth's climate and associated changes to oceans were the most likely causes of the extinctions. At the end of the Permian Period volcanic activity on a massive scale in what is now Siberia led to a huge outpouring of lava.
Explanation: