Correct option is A
Potato chips are packed in plastic bags in the atmosphere of Nitrogen. They are not filled with air because the oxygen in the air reacts with the contents of the chips (oxidation), which leads to the spoilage of the eatables.
Potato chips are packed in plastic bags in the atmosphere of Nitrogen. They are not filled with air because the oxygen in the air reacts with the contents of the chips (oxidation), which leads to the spoilage of the eatables.
For the protection and improvement of the environmental quality, the Environment
Protection Act came into force in the year _________.
Which of the following is the biggest cause of underground soil pollution in cities?
Acid rain is mainly caused due to which gases?
Match the fish species given in List - I with their type of food habits in pond in List - II.

Select the correct answer using the codes given below:
The presence of any solid, liquid or gaseous substance that tends to pollute the environment is called ________________.
For the protection and improvement of the environmental quality, the Environment
Protection Act came into force in the year _________.