What happened on september 11, 2001? a. the stock market crashed, leading to the largest recession since the great depression. b. the united states invaded afghanistan, beginning the war on terror. c. iraq invaded kuwait, setting off the persian gulf war. d. four hijacked airliners were crashed into various targets in the united states, killing nearly 3,000 people.

The correct answer is D. Four hijacked airliners were crashed into various targets in the United States, killing nearly 3,000 people.

Explanation:

On September 11, 2001, a series of attacks were performed by the terrorist group Al-Qaeda in the U.S. as four airliners from American Airlines and United Airlines were hijacked in the morning of this day, and later they were crashed in key targets that included the pentagon, and the World Trade Center. Additionally, the attacks that occurred this day had a great impact in the U.S. not only because it was one of the major tragedies of the nations as it killed almost 3,000 people, and many resulted injured or died later, but because this determined international relationships with other countries, especially with Afganistan that was invaded later by the U.S. Thus, the option that describes the incidents on September 11 of 2001 is D.

it the big letter b heart my answer

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.