First answer is A
Second answer is C
Answer:
c. all matter has an attractive force that is dependent on its mass
Natural selection, an animal with white fur won't survive in an area with green grass and leaves, but a brown or a green animal would
"They contain at least one double or triple bond" is true of saturated fatty acid chains. This extra bond is why they are called "saturated", because they had less ability to take on other bonds.
