Which layer has radio waves?
Stratosphere
Mesosphere
Thermosphere
Troposphere

Need answer select the correct answer. what was one of the first countries in the region to be claimed by european colonizers? a. myanmar (burma) b. thailand c. laos d. the philippines

About 140,000 japanese died in this japanese city when americans dropped an atomic bob at the end of world war ii

The magnitude of an earthquake is typically calculated according to the scale.           a. mercalli   b. fujita   c. richter   d. saffir-simpson