Which practice contributes the most to environmental pollution?

a. cutting down trees to make way for a mall
b. eating unhealthy food for convenience
c. driving instead of using public transportation

Can anybody me fill in these blanks? ? you so much if u can!

Sometimes without even knowing it, people waste fresh water. write an editorial for our school newspaper. try to convince your readers that saving and recycling water should be something they do every day.

Which a hammer strikes a compound formed by covalent bounds