Vitamins a, vitamin c, calcium, and are required to appear on nutritional labels. A. Ironb. Zincc. Potassiumd. Phosphorus please select the best answer from the choices provided. Abcd.

Of the 168 hours in a week as a full time student you should spend how many hours per week on school work?

Earth's atmosphere is unique among the planets and is able to support life because it contains a large amount of a) oxygen b) helium c) methane d) carbon dioxide

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.