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
.
The brain of the cell most important
B. is a long crack, which releases lava, steam, and gases
Explanation:
A fissure is a long crack which releases lava, steam and gases into the environment. Fissures are mostly associated with volcanic bodies.
A volcano is an igneous structure by which lava erupts on the earth surface.
- most volcanoes have fissures through which they release materials into the environment.
- these features are usually permeating cracks into the deeper magmatic body.
- they often times acts as conduit for magma to reach the surface.
- in a volcanic terrain, fissures can provide good clues to the occurrence of an eruption.
learn more:
volcanic bodies brainly.com/question/5055821
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Answer:
B
Explanation:
Rate will increase due to the decreation of the size