The layer of air near the earth's surface where most of the daily temperature variation occurs as a result of the heating/cooling of the ground is called the?

Rocks that contain crystals that are roughly equal in size and can be identified with the unaided eye are said to exhibit a texture.

[ou.01jthe greatest speed with which any physical object moves is 300,000 km/soundsec. which of the following has a speed of 300,000 km/sec? a. light in water b. light in vacuum c. sound in air. d. sound in water

Which domain endings indicate websites that are most likely to be reliable sources? check all that apply. sites ending in .net