When two or more simple machines work together, they are called a(n)
a. compound machine
c. screw
b. effort machine
d. simple machine

Which activity should be part of a long-term plan to positively affect yourhealth? oa. wearing regular clothing when handling toxinsob. not worrying about secondhand smokeoc. avoiding excessive exposure to sunlightod. drinking only well water

Which component acts as a platform on which application software runs

Visualizing a game of “tag” to remember the meaning of contagious