Answer:
The only two that show why a shopper should be careful about shopping online are options 2 and 4. Option 1 is a positive thing about online shopping and option 4 is just a fact that doesn't attack online shopping
2nd and 4th
Step-by-step explanation:
This is because these statements show proof of the harm that is done to the environment. Landfills are so harmful. Pollution can cause diseases like cancer.
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