Trees are very important natural resources. They are the source of food, shelter and habitat. We get various woods, timber , fodder from the forest. Trees hold the soil firmly. Forests helps in conducting water cycle. If trees are cut down then environmental pollution will increase because trees purify the Air. Land pollution , air pollution , water pollution may increase. Biodiversity can be affected.
It is (D) Carbon dioxide. in lactic acid=C6H12O6 to produce 2C3H6O3+Energy. in alcoholic fermentation=C6H12O6 to produce 2C2H5OH+2CO2. therefore all of them produce (D) Carbon dioxide.
