Compare and contrast the different types of fossil fuels

If (a, b) is the solution to the system of equations shown above, and a and b are integers, then what is the value of a+b?

The graph shows the populations of two species in a particular region over two decades. based on the graph, what can you conclude about the relationship between the two species? a. the two species have a parasitic relationship. b. the two species are mutualistic in nature. c. the two species exhibit commensalism. d. the two species have a prey-predator relationship. e. the two species have a familial relationship.

What is the amount that shareholders contribute