5 points 11. A device that helps reduce the amount of force required to do work is
a(n)
spring scale
simple machine
work
energy
A

A device that helps reduce the amount of force required to do work is a

A device that reduced the amount of force is a simple machine

An autotrophic protist - they can perform photosynthesis and mainly consist of unicellular algae. they can be divided into number of systematic group according to the shape of their cell and the type of photosynthetic pigments they use.