Question 1: im not completely sure but either A or B. but i would go with A question 2: B-calvin cycle question3: B-splitting carbon dioxide. question 4: B-chlorophyll
there is a good and bad effect on the world, the positive reason being economically. smoking is a great money maker it was worth US$88 billion dollars in 2018. the negative reason is the pollution and what it does to the human body such as cancer
