It is 4. the reproductive cycles of males and females are regulated by hormones
The answer is C. if u were to use these it prevent u from slipping. Btw may I get a brainliest answer?
I think it’s C
Also plz mark Brainly
Solar flares are very dangerous to living organisms they produce it produces high energy particles but we are protected by Earth's magnetic field and atmosphere because of its can sometime disturb radio waves because it effects the ionosphere but the flare is stopped by the atmosphere.
Answer:
The answer is Paleozoic Era
