Sun, Moon for light, Light bulb etc
sun is the primary source of heat and light......
by a heat source: lamp, light, or other chicks.
The sun is the source of heat and light for plant-life.
Well, there are countless. In fact, any source of heat is also a source of light, although not always visible to the human eye. Nevertheless, a light bulb is a good example. Or the sun. Or any other star. Or, well, just name it...
We're modestly familiar with the source of heat and light. And we know that heat and light both exist and are real. Cold and darkness do not exist. They merely describe the lack of heat and light, respectively.
The main source of light is the sun
The Sun is a common source of light, heat, and energy, due to the nuclear fusion reactions in its core. Other sources of light, heat, and energy include light bulbs, heaters, and electrical devices.
the sun?
A light source is a form of energy produced by heat.
Yes, the sun is the origin of heat and light in our biosphere.
both
The planet get its light from their internal heat source.