Answer:

3.) Useful learning activities are ones where the student is able to take what they have learnt from engaging with the activity and use it in another context, or for another purpose. For example, students are able to directly apply the skills or knowledge they acquired to an assessment task, or to the next activity in your unit.

4.) Before the days of smartphones — if you can remember such a time — taking a great photo was a labor-intensive process. You'd have to buy a fancy camera and editing software for your desktop computer, and invest some serious time and energy into learning how to use them.

Explanation: I HOPE IT HELPS :)