What is the conjugate base of the following acids? a) HClO4 b) NH4 + c) H2O

d) HCO3 –

3. What is the conjugate acid of the following bases?

a) CN- b) SO4 2- c) H2O

d) HSO4-​

Magma is outside the volcano  and lava is inside the volcano. 

Africans learned what the europeans wanted them to learn. instead of learning about african history and current information that could and would them they learned solely what europe wanted them to. and not everyone received the same education, some received better and others none.

Your answer is d. silli hope this ! : ) i left an explanation down below if you need it: a sill forms when hot magma squeezes between layers of rock to form a hardened sheet of rock. a sill is basically a tabular sheet intrusion between old layers of sedimentary rock, volcanic beds, or in the direction of foliation inherent in metamorphic rock. the word sill means a concordant intrusive sheet.

Ibelieve it was because of the gas act in order to preserve fuel