Science Quiz 7

1. The orbit is geosynchronous. 
2. The orbit is circular. 
3. The orbit lies in the plane of the Earth’s equator. 
4. The orbit is at an altitude of 22,236.

1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material. 
2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
3. Comets show a perceptible glowing tail, while asteroids do not.

1. Estimating the water vapour content in the atmosphere. 
2. Predicting the onset of monsoons. 
3. Monitoring the pollution of coastal waters. 

Which of the statements given above is/are correct?