Question

for example, autocorrect makes typing easier, but it can also predict the wr word and create confusion. plastic bags helped the environment in some ways, they also had many harmful effects on the environment. but so

Explanation:

The first part of the sentence says plastic bags helped the environment, and the second part says they had harmful effects. This shows a contrast, so we need a conjunction that indicates contrast. "But" is used for contrast, while "so" is used for cause - effect. So "but" is the correct choice.

Answer:

but