Read this excerpt from Journey to the Center of the Earth Besides, if the ascending path was more arduous and painful to clamber, I had one source of secret consolation
and delight
Using context clues, what is the best meaning of "arduous"?
O reduction in size or importance of something
Ospread out over a wide number of people
involving or requiring strenuous effort
very great or intense

I believe its "Involving or requiring strenuous effort"

Explanation:

different strategies reach different people based on their ability to understand the material. (from personal experience) when writing an argumentative essay write explaining the subject as though your audience never heard of it before and it is just being introduced, then explain why other people hate it also, afterward you would explain why that would be wrong. i hope that : )

the answer would be, she updates her online profiles regularly and participates in work-related online discussions.