Answer the photo below thanks

In which sentence does the verb agree with the subject? a. dominoes or a board game are a good choice for tonight. b. either mom or dad cook dinner for the family each night. c. neither braids nor a ponytail keeps my hair out of my eyes. d. either mom or dad cook dinner for the family each night.

These two elements threaten ecosystem biodiversity.

What is the author trying to say in "do kalakar" by mannu bhandari?