Equinox occurs when

1.21-22 June
2. 21-22 December
3. 22-23 April
4. 21-22 March and 22-23 September
Which among the following gases is most prevalent in the atmosphere
1. Argon
2. Carbon dioxide
3. Hydrogen
4. Oxygen
Which of the following activities contributes more to global warming
1. Burning of fossil fu
2. Mining of coal
3. Deforestation
4. Carbon emission from vehicles and factories
The Earth moves on a constant orbit plane known as
1. Ecliptic plane
2. Solar plane
3. Aphelion
4. Perihelion plane

1. 21-22 March and 22-23 September

2. Argon
3. Burning of fossil fuels
4. Ecliptic plane

1. The equinox occurs on 21-22 March and 22-23 September.

2. The most prevalent gas in the atmosphere is nitrogen, not listed in the provided options.
3. Burning of fossil fuel contributes more to global warming.
4. The Earth moves on a constant orbit plane known as the ecliptic plane.