1: D
2: B
3: B
4: C
5: D
8: A
9: D
10: A
Image result for Is work done when you carry a book across the room at a constant velocity
Work is not done when you carry an object forward. You may have learnt that carrying an object and moving horizontally at a constant velocity has no work done. The truth is, there is a slight amount of work done due to overcoming air resistance in the horizontal direction.
I don’t think so. I believe it’s covalent bond that is formed.
Answer:
The ozone layer helps reduce the amount of UV rays that enter the atmosphere
Explanation:
Hope this helps you out
It is b . Because three of them are less than 90.
