Environmental Studies Worksheet-9
A. Household waste
B. Industrial waste from factories and refineries
C. Fish in the water
D. Ultraviolet rays
A. It is hardened. B. It is imprinted.
C. It is decayed. D. It is softened.
A. Cement B. Brick C. Iron D. Straw
A. Rocks B. Petroleum C. Herbs D. Subsoil
A. Loamy soil B. Sandy soil
C. Humus D. Clayey soil
A. Salt B. Water
C. Salty Water D. Salt and Water
A. Trains B. Planes C. Ships D. Two-wheelers.
A. The tumbler was placed in a refrigerator
B. The tumbler was heated on a stove
C. Ice tumbler were added to the water
D. The tumbler was left untouched.
A. 1/2 B. 2/3 C. 3/4 D. 3/5
A. Clay B. Sand C. Loam D. Humus
(1)–B; (2)–C; (3)–D; (4)–B; (5)–D; (6)–B; (7)–B; (8)–B; (9)–C; (10)–C