C. Address the major health concerns in the USA.
Answer: no
Explanation water and carbon dioxide are produced as wastes. the cells in both plants and animals perform respiration.... during photosynthesis , a palnt uses light, water and carbon dioxide to make its own food. oxygen is given off during photosynthesis as a waste product
Answer: About 40 percent. Majority of the toddlers often go to a head start or something and start to learn and memorize these things.
Heart pumping mechanism about blood are statements true