Plants can produce oxygen and have daytime

This has inspired people

Sunlight is the basic condition for the existence of living things on the earth

Light energy is the basis of energy flow in the biosphere. The source of oxygen is water, and light only provides energy

Let trees produce oxygen and purify the air

The ultraviolet rays in sunlight have healing effects

It can also be used as energy

Air is a necessary condition for the survival of animals and plants on the earth. Animal respiration and plant photosynthesis are inseparable. Air; the atmosphere can keep the temperature on the earth relatively stable. If there is no atmosphere, the temperature will be very high during the day and very low at night; the atmosphere can absorb ultraviolet rays from the sun and protect organisms on the earth from harm; the atmosphere can prevent Too many high-energy particles from space enter the earth, preventing meteorites from hitting the earth, because meteorites can both slow down and burn when they rub against the atmosphere; the formation of wind, clouds, rain, and snow is inseparable from the atmosphere; the propagation of sound requires the use of air ; Parachutes, parachutes and airplanes also make use of the force of air; some machines use compressed air to work.

1 Maintain life

2 Clean items

4 Use it for appreciation

5 Make pleasant sounds

6 Hydropower

7 Industrial water< /p>

8 Planting

9 Preparing drinks

10 Others