If given 12 moles of Cl2, how many moles of HCl can form? CH4+ 4Cl2——CCI4 + 4HCI

A. 4 moles HCl
B. 12 moles HCI
C. 1 mole HCI
D. 3 moles HCI

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.

What are some natural measures of time