Sedimentary rocks are formed by cementation and compaction
I believe that the answer is D. lichens growing on cooled lava. Hope it helps.
Answer: Determined by genetic and environmental factors.
Explanation:
Are determined by genetic and environmental factors and the interaction of such factors, but not with absolute certainty. This development system model includes both influences of species typical genes and the influences of a species typical rearing environment. Relatively rapid increase in obesity, the change stems from changes in the environmental context.
