Alcohol is considered a gateway drug because: a. when people drink, their judgment diminishes, and their ability to make good choices is impaired. b. under the influence of alcohol, people get more daring and more willing to try things they would never try if they didn't drink. c. both a and b

Option C, Both A and B

Explanation:

A gateway drug is one which if consumed regularly will make the user daring enough to try much harmful drugs such as cocaine, marijuana etc. Hence, a gateway drug is one which opens gate for a person to use more harmful and varied drugs. Such as alcohol,nicotine etc.

Under the affect of gateway drug a person is unable to make right and conscious choices and hence he/she becomes impaired.

Thus, option C is correct

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.