The greatest level of biodiversity in the tropical rainforest is found in the a) top canopy

The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste. the percentage of food that the united states wastes each year is %.

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms