Choose the word (A, B, C, or D) that best fits the blank space in the following passage.
Students can make a big (26) _______ in protecting the environment in many ways. One important way is to reduce waste by (27) _______ and recycling items. When we recycle, we help to save natural resources and prevent them from being overused. This means that we can make things again and again without using up any more materials.
Another way students can help is by buying second-hand items. This can save both money and resources. When we don't want something anymore, we can sell it on sites like Facebook Marketplace or Craigslist. This way, someone else can use it instead of buying something new. We can also reuse items instead (28) _______ buying new ones. For example, we don't need to buy a new pencil case every year. We can use the one we already have until it's worn out, and then buy a new one.
(29) _______, students can help reduce waste by bringing their own bags to the grocery store. This cuts down on the number of plastic bags that companies produce every day. Plastic is very difficult to dispose of and can pollute the environment for a long time. By working together and making (30) _______ changes in our daily lives, we can protect the environment and keep our planet healthy for generations to come.
