When a sound from a source is refracted away from the surface of the earth, it gives an indication that the
a. wind is blowing in the direction of the sound.
b. ground is cooling faster than the air.
c. air is cooler than the ground.
d. air has high humidity.

What forms of energy are involved when snow on a mountain breaks loose, resulting in an avalanche? during an avalanche, the( 1 ) energy of the snow on the mountain is converted into ( 2 ) energy as the snow cascades down. ( 1 ) a. elastic b. kinetic c. potential d. radiant ( 2 ) a. chemical b. kinetic c. nuclear d. potential

Based on current rates the earths human population is expected to grow how much by 2050

Imagine a family who recently shifted near your home asks you to to find the direction to market . why would you him? ?