Answer:
rust is formed when these two combine in the air
Explanation:
Color is the least useful property for identification, as the same mineral type can be found in several different colors due to impurities in the mineral.
Mechanical advantage is a measure of the force amplification achieved by using a tool, mechanical device or machine system.
now here we can say that mechanical advantage is given as
here we know that
output force = 156 N
input force = 52 N
so we will have
so here mechanical advantage is 3
It all depends. on what kind of link your on like a hill flate serface what it has to do with its wave length find the wave lenth and you then can find your anwser hope i helped
Answer:
B
Explanation:
Laboratories are usually controlled: however, in public places, there are way too many factors that could change an experiment