The internal energy can be increased by . (a) transferring heat from the surroundings to the system (b) transferring heat from the system to the surroundings (c) doing work on the system.

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.

Living organism in our word are connected to other variety of ways

Jerrold has to buy 12 copies of a textbook which costs $36.25 per copy. how much must he spend for them?