Read the questions and select the best answer.
 
1. 
Assertion (A): Total lunar eclipses are less frequent than lunar eclipses in general.
Reason (R): Lunar eclipses occur only once every few years.
 
 2. 
Assertion (A): Lunar eclipses help scientists study the Sun directly.
Reason (R): The red colour seen on the Moon during a lunar eclipse is caused by sunlight passing through Earth’s atmosphere.