Answer:
Many scientists favor the RNA world hypothesis, in which RNA, not DNA, was the first genetic molecule of life on Earth. Other ideas include the pre-RNA world hypothesis and the metabolism-first hypothesis. Organic compounds could have been delivered to early Earth by meteorites and other celestial objects
1 hour I think.. correct me if im wrong <3
Answer:
lion and cheetah populations compete for the food source of zebras ,and lions outcome cheetahs
