Earth's atmosphere is made up of a very thin blanket of colorless gases. In fact, this layer is so thin that if Earth were a peach, the atmosphere would be the peach's fuzz.

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.

Crossing over is a method of (blank)?