A lever was used to lift a heavy rock. The input force was 150 N and the output force was 500 N. What was the mechanical advantage of the pulley?
O A. 3.3
O B. 0.3
O C. 650
O D. 350

when atmosphere interacts with biosphere they focuses on on the sources and sinks of green house gases (ghgs) air pollutants, particular matters, water and energy between the earth's surface and the atmosphere. the biosphere affects the climate. the atmosphere and biosphere are in constant interaction with each other, and all living things rely on gases in the atmosphere for life. organisms such as animals take in oxygen gas form the atmosphere to use in every cell of their body for smooth functioning of daily routine exercises.

because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.

hey there!

mass = 6.75 g

volume =   9 cm³

therefore:

d = mass / volume

d   = 6.75 / 9

d = 0.7 g/cm³

answer b