Why is it said that the higher you go the cooler it becomes

Blank is a naturally occurring gas that's found in most soils and rocks and can cause lung cancer

Which characteristics are true of the arabian desert? multiple answers choose all answers that are correct. a. is mostly below sea level b. covers almost the entire arabian peninsula c. contains the largest sand sea in the world d. has very few people living there

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