Is a time line that shows how conditions and organisms have changed on earth. a. geologic time b. periodic time c. geologic time scale d. periodic time line

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

Which does not describe a physical change happening to water? water evaporating in the sun water reacting with nitrogen gas water freezing and being broken apart with a knife water heating up on a stove

Idon’t understand this can someone give me the answer? you