Paul and Karen were studying physical and chemical properties of matter. They determined that the mass of a sample was 50 grams. Which sentence best states how mass describes matter?

What are some things that limit population growth?

Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5

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.