Which of the following is not a defining characteristic of plants?
a. plants have cell walls
b. plants contain chloroplasts for photosynthesis
c. plants are eukaryotic
d. plants are prokaryotic

What do lava flows made of aa indicate about the type of volcanic eruption that occurred? a. the eruption was viscous. b. the eruption was pyroclastic. c. the eruption was explosive. d. the eruption was quite. !

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false

The diagram shows a chicken embryo and a human embryo