The greenhouse effect traps the sun's energy on earth similar to

a pot on a hot stove
a microwave
a space heater in a room
a car parked in the sunlight with its windows up

Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above

Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate

It is advised not to hold the thermometer by the bulb while reading it