Coal is a natural resource. Why is coal considered nonrenewable?
A coal will never run out
B. No new coal is being produced on Earth
C. Coal is being used faster than it is being produced,

For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition

How many moles of gas are present if p=11 atm, v=12l, t=185k?

What three things determine the shape and size of a puddle when water is poured out onto a surface