Need help ASAP! Which best expresses the main idea of this passage?

A) Scuba-diving is an extremely expensive and challenging hobby, but it also has many rewards.

B) In 1972, famed explorer Jacques Cousteau took his one-man submarine into the depths of the Great Blue Hole.
C) The Seven Natural Wonders of the World include incredible places like Mount Everest, the Grand Canyon, and the Great Barrier Reef.
D) The Great Blue Hole off the coast of Belize is one of the most wondrous and scientifically interesting natural wonders

its A: Scuba-diving is an extremely expensive and challenging hobby, but it also has many rewards.

Explanation:

your welcome for the answer

the answer is "The Great Blue Hole off the coast of Belize is one of the most wondrous and scientifically interesting natural wonders of the world."

Explanation:

i just did the test and its not A

i believe the answer is d. it was not uncommon for people to faint or even convulse at these high-energy meetings.

for the 2 countries u can do china and america because america has a democratic government while china has a communist government.

a democracy is a government run by the people either by directly voting or indirectly by electing representatives. an oligarchy is a government run by a few or a small group of people. a democracy and oligarchy are similar because both in an oligarchy and an indirect democracy, a small group of induvial determine the laws for a large group of people they are different because in an oligarchy it is easier to control and they do not have to answer to a large number of people in the country, unlike a democracy where they do have to answer to a large number of people an county that is a democracy would be the united states. a country that is an oligarchy would be the china.