Which is the rock that has the most coarse grain texture conglomerate, sandstone, flint, or granite

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

Which description provides the best objective summary of the article in the passage?