Select the most appropriate option to fill in blank number 5.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. nature.
Trees are a part of nature. All the plants, animals, etc. and all the things that happen that are not made or caused by people come under the term "nature".
Hence, everyone needs to plant more and more trees (part of nature) to protect the nature in whole.