Question

4. An increase in the amount of car bon dioxide results in​

Answer 1

Answer:

Increasing atmospheric carbon dioxide levels have caused increasing photosynthetic rates, biomass growth, and seed yield for all of the globally important C3 food and feed crops

Explanation:

#Hope_it_Helps

Answer 2

• $\huge\pink{\mid{\fbox{\tt(answer)}\mid}}$Increasing atmospheric carbon dioxide levels have caused increasing photosynthetic rates, biomass growth, and seed yield for all of the globally important C3 food and feed crops (Acock and Allen, 1985; Enoch and Kimball, 1986; Warrick et al., 1986; Allen, 1990).