Johnny is 5 ft. Tall and casts an 8 ft. Shadow. At that same moment, a nearby tree casts a shadow of 24 ft. How tall is the tree? round to the nearest tenth if necessary.

Late at night some traffic signals change patterns and become ?

Which food would provide you with the most calcium?

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.