The answer is A) Density is a measure of an object's mass per unit volume.
If someone is a medical specialist they specialize in medicine like a doctor
To be active in the military means you are currently enrolled in the military
Answer:
Muscles attach to tendons and ligaments that attach to bones allowing our arms to move.
Explanation:
The muscles pull the bone causing movement. The movements our arms make is controlled by the brain and the nervous system.
Answer:
Breathing and counting down can be one way. Most people say count down from 1 to 10 but its best to count down from 1 to 30.
You can listen to music to calm you down. Listen to something calming and upbeat at the same time, or something that soothes you.
Keep yourself busy. If you do random items such as singing a song, writing a story or organizing something around the house. THese activities would make you forget why your anxious in the first place.