Answer:
Density is the amount of mass in a specified space. It is a way to measure how compact an object is
Explanation:
Answer:reflection by dust particles in air
Answer:
A block device is a computer data storage device that supports reading and (optionally) writing data in fixed-size blocks, sectors, or clusters. These blocks are generally 512 bytes or a multiple thereof in size
Answer:
it would be 3
Explanation:
because you have to divide the length by the height of the incline.