a pulley is something when you pull it up it gos down and when you pull it down it gos up and Mohammad Rabee wrote this and I wrote what does a wheel and axle mean.
Scientific Literacy
wet
Hematite
.Detrivore
hay what does poles mean in science
Not changing (Uniform)
It means without pause .
It means to gain energy.
Catagory with similar properties
Parts per trillion.
bibliography means were did you get your informatoin from
it means to have a field of land in scientific terms!