Answer | Crossword Clue |
---|---|
SOLAR | Of Earth's source of heat. |
SUN | Earth's source of heat and light |
pyrgeometer | an instrument for measuring the loss of heat by radiation from the earth's surface |
pyrgeometers | PYRGEOMETER, an instrument for measuring the loss of heat by radiation from the earth's surface |
SEAWEED | Major source of oxygen in the earth's atmosphere |
thermotropism | The turning or bending of a plant or other organism in response to a directional source of heat |