Question

native Response Type:
State True or False:
1. Air exerts pressure.
2. Air occupies space but it does not have mass.
3. Aquatic organisms breathe oxygen dissolved in water.
4. Respiration and photosynthesis are two processes by which balance between oxygen and
carbon dioxide is maintained in nature.​

Answer 1

Answer:

Long answer 4- If a transparent ruler is held in sunlight, we see various colors because sunlight is white light and it has seven colors .When rays of light after passing through ruler splits into seven colours .This band of seven colours is known as spectrum. The splitting of white light into seven colours is known as dispersion of light.