7th grade Science the shapes are so confusing

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

What are some characteristics of a free enterprise economy?

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.