Aramp is an example of an inclined plane. a man in a wheelchair was trying to get up the ramp, but he was having trouble because it was too steep. what can you do to make the ramp more useful?

question 5 options:

shorten the ramp

decrease the height of the ramp

remove the ramp and put in stairs

lengthen the ramp

humans, along with other animals and plants, have linear chromosomes that are arranged in pairs within the nucleus of the cell. the only human cells that do not contain pairs of chromosomes are reproductive cells, or gametes, which carry just one copy of each chromosome.

explanation:

the fossil record extends back to a dog-like ancestor some 55 million years ago, which gave rise to the first horse-like species 55 to 42 million years ago in the genus eohippus.