Plz HELP ME! answer these 2 questions 1. What conditions are necessary for an organism to become fossilized? 

2. Explain the difference between relative dating and radiometric dating?

No links
I will give Brainley if answer is right​

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

Study the image of this rock.which characteristic best supports its formation from sedimentary processes? it has many layers.it is coarse-grained.its grain shape is round.its texture is non-banded.

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.