They are different because simple machines are used to make work easier. While compound machines are made up from 2 or more simple machines.
Just in case, some examples of simple machines are <span>the pulley, screw, wheel, axle, wedge, lever, and inclined plane.
hope this helps</span>
At sunrise and sunset, the sun is lowest in the sky, so it creates longer shadows. The shadows are the longest at these times than other times.
Answer:
-Includes reptiles, birds, and mammals
-All amniotes are tetrapods and vertebrates
-May involve a shelled egg or internal gestation
-Do not need for moist environment for reproduction
-Derived characters that identify an amniotes are 3 extra embryonic membranes: Chorion, Amnion, Allantois
-are Covered by shells
-Most hard and calcified
-Some soft (monotremes)
An organism that supplies matter and energy, also known as a autotroph, is called plant I guess
