Answer:
Explanation:
Mechanical advantage is given by the ratio of output force by input force.
= Output force = 
= Input force = 
So,
The mechanical advantage of the pulley's is .
Answer: yes they are renewable.
Explanation:
Trees are a natural resource that can be renewed by (the planting of trees) replacing the trees that are harvested for use by people. We depend on forest products for things like the wood we burn for heat and the wood we use to make houses and furniture. We use trees for the paper to make books and letters we write. Actually, there are more than 5,000 things made from trees. Trees give us baseball bats, shoe polish, and even tooth paste that comes from tree extracts.
Answer:
The organic matter is all natural came from the earth. But on the other hand, inorganic fertilizer is not natural it is chemical to make the grass more rich and healthy and they already stored all the nutrients in the fertilizer so it can work. I hope I helped
