Which sphere of the earth protects us from the harmful rays of the sun? Select one:

Geosphere.

Hydrosphere.

Atmosphere.

Biosphere.

How do north and central america differ

[ou.01]which of these is the most likely use of an electromagnetic wave which has wavelength shorter than microwaves but longer than visible light? o heat food safely o neat food safely o take images of bones and teeth o transmit radio and cellular phone signals o take images of bones and teeth o transmit radio and cellular phone signals o detect the location of objects which emit heat

Scientists think that convection currents flow in earth’s a. continents. b. mantle. c. lithosphere. d. inner core.