Anyone wanna roleplay with me??? (Bored ;-;)

What role do bacteria play in the carbon cycle

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form