Will mark as
which of the following processes formed the andes mountains.
a. glaciers deposited sediment.
b. plates converged together to form the mountains.
c. plates pulled apart and released magma.
d. sand dunes hardened and became rock.

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

In apex! a liquid heated beyond a certain temperature becomes

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u. s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?