Which of the following is a substance? A. air
B. alloy
C. soil
D. seawater
E. carbon

How do limiting factors most affect population size? ostop population growthrestrict population growthincrease population sizeresult in positive impactso

2. what two items do autotrophs take from the environment to produce their food? 3. what are the two items that are released during transpiration from leaves? 4. what are the two membranes of the system? a.what are the two stages of photosynthesis? what are the two parts of photosynthesis?

Type the correct answer in each box.balance the chemical equation.__ n203 ➡️ __ n2 +__ o2