Q.12 Give brief scientific reasons for any five of the following statements : (2 each)
a. Lunar eclipse lasts much longer than solar eclipse
b. Goiter is common in people living in hilly areas
c. Mixture of ice and salt (sodium chloride) is used as a freezing mixture
d. Detergents are better cleaning agents compared to soap
e. Decomposers are important for life on land and water
f. Places near the sea are cooler in summer and warmer in winter than places farther inland