How is earth's radiation budget described in the video?

1) the difference between sunlight that comes into the earth, minus the amount of sunlight that is reflected by, and energy emitted from, the earth
2) the difference between sunlight that is reflected by earth, minus the energy emitted, plus the sunlight coming into the earth
3) the difference between energy emitted by the earth, minus the sunlight coming into the earth, minus the sunlight reflected by the earth
the difference between energy emitted by the earth, minus the sunlight coming into the earth, plus the sunlight reflected by the earth

2. which of the following is not true regarding the transfer of heat energy?

a. air conducts heat effectively

b. dark-colored objects absorb more radiant energy than light-colored objects

c. convection is the transfer of heat energy in the atmosphere

d. sunlight is a form of radiation

3. of these means of transferring heat, which tend directly produce weather systems?

radiation
conduction

convection

none