Some scientists believe that life on Earth began about 3.5 billion years ago. What do they base this belief on?​

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.

How would you expect the mrna codons that code for the amino acids that make up hemoglobin to compare between humans

What is the purpose of presenting a false dilemma in a speech?