Answer:
Cretaceous
From their earliest diversification in the Cretaceous Period (145 million to 66 million years ago), angiosperms rapidly came to dominate the land flora. Today there are more than 300,000 species of flowering plants, which account for more than 90 percent of the diversity of vascular plants.
It's a tie for me between C. and D. but I am going to say D. I hope this is the right answer for you.
The complimentary base-pair rule. I hope I helped!
Mark your question with chemistry
Answer:
C.Both a and b are correct
Explanation:
i think that if it had a both are correct then i think it is that
