Identify the theory that can be used to explain each phenomenon.
Diffraction:
Interference:
Reflection:
Refraction:

The experiments with static charges were done by:

Orange juice has a lower or higher viscosity than chocolate syrup

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by