Which one of the following supports the hypothesis that life has changed over time?
a.) prokaryotes has no nucleus

b.)fossils are distinct from rock layer to rock layer

c.)some fossils plants have deep roots

d.)the cell has no membrane

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape