Explain how biochemical evidence, including DNA, helps scientists to learn about early life on Earth.

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants

Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.