8a. What is the equivalent resistance of the following circuit? R
R
R
100 Ω 2
300 22
50 Ω
=
9V

How does convection affect our atmosphere? our layers of earth? our oceans?

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?