Answer:
3rd option.
Explanation:
trod= walk in a specified way.
Probably not there are a lot of people that do weird things
Answer:
C. A short-fin mako is a kind of shark that can leap 20 feet out of the water.
Explanation:
This sentence will help to understand easily about the shark.
When you enumerate you need to put comas between all the items except the ones which are connected by "and" : as A is not correct as it does not have comas, and B is incorrect as it has comas where "and" is.
now, in a way both C and D are correct, but C is the usual accepted version, and D is an example of "Oxford coma" (where the coma is optional, to remain on the safe side, choose C).
