For what reasons would someone use online reading tools? Check all that apply. to enhance critical-thinking skills to improve understanding of vocabulary to improve writing skills to enhance retention of main ideas to increase academic success

All the given options are right. Reading always support multiple things. Getting to know things makes the person success. So a person who reads online will get the benefit of knowing and understanding new vocabulary thus makes a person literally qualified to read, write and express better.

There are more chances for him to reach the academic success in a short period. It defiantly improves the LSRW skill which is Listening, Speaking, Reading and Writing and also enhances Critical thinking ability.

-to enhance retention of main ideas to increase academic success

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Explanation:

to enhance retention of main ideas to increase academic success