However instead of crests and troughs, longitudinal waves have compressions and rarefactions. Compression. A compression is a region in a longitudinal wave where the particles are closest together. Rarefaction. A rarefaction is a region in a longitudinal wave where the particles are furthest apart.
Explanation:
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.
Spreads out in the medium, first choice
- confidence
-good morals
- attentive
- cooperative
- leader
Answer:
meters per second squared
Explanation:
Because acceleration is equal to velocity over time where velocity is meters per second and time is measured in seconds making acceleration ms-2