(B) Answer in one sentence.
(1) Which tool is used to remove weeds in the field ?
(2) Which tool is used to break the lumps of soil in the field ?
Q-10
(A) Do as directed.
(1) Give your suggestions to prevent air pollution.
(2) Explain the benefits of planting new trees in proportion to the number of cut trees?
(B) Fill in the blanks by selecting appropriate option.
gas is responsible for global warming (Oxygen, Nitrogen, Carbon
dioxide)
(2)
gas is present in acid rain. (Biogas, Sulphur dioxide, Carbon dioxide)
fuel is less polluting. (LPG. Dung cake. Wood.)
(3)
(4) Plastic is a
substance and should be used wisely. (non biodegradable,
biodegradable, biological)
Answers
Answered by
0
Answer:
bro mera bhi Kal science ka exam h
Answered by
0
Answer:
Carbon mark as bralist plz
Explanation:
Similar questions