Answer:
Northern Hemisphere
Explanation:
The latitude of Bhutan is 27.5142° N, placing the country in the northern hemisphere above the equator
Answer:
The length of the rod should be

Explanation:
Period of simple pendulum is given by

We have

The length of the rod should be

Mirrors don't cause refraction.
A convex mirror could cause parallel rays to REFLECT away from each other.
Can be numbered in 2 different ways, one box represents one element, and organized by atomic number
I think this one's B. energy and work are both measured in joules.