Aman is pushing a heavy crate up an inclined plane (ramp) into the back of semi trailer. what can the man do to make it easier to get the crate up the ramp?

a)
use gloves.

b)
make the ramp longer.

c)
make the ramp shorter.

d)
pull it instead of push it.

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature above 37 degrees celsius (98.6 degrees f)? describe what might happen if the temperature decreased by 10 degrees celsius.

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

Donde se encuentra el adn nuclear en un organismo eucariota?