Question

Large scale deforestation leads to the decrease in the amount of gas A in the atmosphere whereas the amount of gas B increases. The increased amount of gas B in the atmosphere causes an effect C which leads to excessive heating of the earth and its atmosphere producing an undesirable phenomenon D. What are A, B, C and D? 1)A: Oxygen; B: Carbon dioxide; C: Greenhouse effect; D: Global warming. 2)A: ozone; B: Carbon monooxide; C: Greenbulk effect; D: eco warming. 3)A: chlorine; B: Carbon; C: house effect; D: Coooling 4)None

Answer 1

Answer:

option A is correct. as deforestation is cutting the trees which leads to decrease in O2 and increase in CO2

Answer 2

Answer:

1

generally if any e all trees produce oxygen if exists excesive deforestation leads to less amount of oxygen and b is carbon dioxide the if there are more number of vehicles the vehicles produce more amount of carbon dioxide excessive amount of carbon dioxide lead to leads to greenhouse effect and because of the greenhouse effect undesirable phenomena of global warming will happen all these options match with with the first one a wihich's oxygen B carbon dioxide c Greenhouse effect and d global warming