In what ways are the chemical reactions of photosynthesis and cellular respiration similar?

Which of the following elements does soil need in the largest quantities to sustain plant life? a. copper b. iron c. nitrogen d. zinc

Question 4 using myplate's daily food plant for 2000 kilocalories as a reference, the servings from the protein foods group in this menu are a. adequate overall, and consistent with the dietary guidelines 2010 recommendations. b. short 2 ounce equivalents. c. inadequate in terms of the recommendations for a 2000 kcal diet. d. adequate overall, but inconsistent with the dietary guidelines 2010 recommendations.

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?