Which simple machine can be described as a rope that is threaded through a wheel or disk?
The correct answer is B - Pulley
A pulley is a simple machine that is used to lift loads. It consists of a wheel on which a rope is placed and the rope is pulled by the person towards himself to lift the load that is tied on the other side of the rope. There are three main types of pulleys: fixed, movable, and compound.
Answer:
I think oxygen and gulcose but i am not sure
Explanation:
Answer:
1. Precambrian rocks are very old.
2. They have very few fossils.
Answer:
no
Explanation:
we would not get any energy from food because nothing would happen (no chemical reaction)
Primary succession is a method of fertilizing soil that was barren and had never supported plant life, for example soil left over by a moved glacier of lava.
