A deck of cards contains 52 cards of which 4 are aces.

The graph shows a trend in an ecosystem over time caused by increased pollution in the region. what can you conclude from the graph? a. there’s lower biodiversity among birds. b. there’s a higher reproductive rate among birds. c. there’s a significant decline in the number of producers. d. other types of animals were unaffected by pollution.

To safely control the traffic flow and protect workers near public roadways and moving construction equipment use you could use

During a load test, a battery's voltage drops below a specified value. what action should the technician take?