1. Most children under the age of 21 who do not participate in drug and alcohol abuse are certain to not do so.
2. The average age when youth first try alcohol is 11for boys and 13for girls.
3. Nicotine is the addictive substance in tobacco.
1. According to the National Clearinghouse of Alcohol and Drug Information (NCADI), most children under the age of 21, who do not participate in drug and alcohol abuse, are virtually certain to never do so. Therefore, the correct option is B.
2. The average age when youth first try alcohol is 11 for boys and 13 for girls. The average age at which Americans begin drinking regularly is 15.9 years old. Therefore, the correct option is B.
3. Nicotine is the addictive chemical found in tobacco. Therefore, the correct option is B.
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relax and twitch
tighten and contract
contract and relax
The answer is tighten and contract.
In order for the students to pull the rope their muscles will need to tighten and contract so they are able to continuously pull with all their strength and power. Relaxed or twitched muscles will result in release of the rope.
To pull the rope, the students' muscles must tighten and contract in order for them to continuouslypull with all of their strength and power. The rope will be released if your muscles are relaxed or twitched. The correct option is b.
A band or bundle of fibrous tissue in a human or animal body that can contract, causing movement or maintaining the position of body parts.
To pull the rope, the students' muscles must tighten and contract in order for them to continuouslypull with all of their strength and power. The rope will be released if your muscles are relaxed or twitched.
Thus, the correct option is b.
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B. Horseback riding
C. Swimming
D. Running
Horseback riding is the right answer