How much oxygen, in grams is required to produce 60.0 g of water? CH4 + 202 --> CO2 + 2H20 *
O 100 g
80.0 g
O 1079
O 213 g

b.have there own function.

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation:

idk

explanation:

a = executive branch; b = judicial branch