Fuad’s model racing car drives at an average speed of 3 feet per second. Fuad records the distances and times in a table like the one shown below. Speed of Model Race Car Distance (ft. ) 3 Time (s) 1 At this rate, how long will it take the car to travel 21 feet? 3. 0 seconds 6. 3 seconds 7. 0 seconds 14. 3 seconds.

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.

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers

Dan runs a busy desktop-publishing company. his company want to increase its exposure, so it runs a new a new promotion each week. the tool dan most likely choses to publicize this is a promotion is a