Answer:
a creation of new plant species
The appropriate answer is D. Alfalfa. Alfalfa is a legume and these plants play a key role in the nitrogen cycle. These plants house nitrogen fixing bacteria on their roots. The bacteria are housed in tiny round structures of leguminous plant roots. Once the nitrogen is fixed in the soil it can now be used by other plants to make food. These plants include beans peas and peanuts. <span />
I would go with the last one, allowed scientists to better identify the location of fossils and change prior scientific knowledge
Answer:
A law is subject to change as new evidence is discovered
The amino are essential to build the DNA
hopes it's help
