Help please :)
Which of these would be a good topic for a descriptive investigation?
A. how the Moon's appearance changes
B. what kind of dog food is the healthiest
C. how well different brands of soap can clean
D. what force causes an object to slide down a ramp

D. i think if i get you wrong then I'm sorry

D.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

can i get the brainliest pls

explanation:

the answer is c.mitochondria. glad to .