Question

26. Which class forms in areas with high evaporation rates and where salty waters slowly
evaporated?
a. sulphate class
b. silicate class c. halide class d. oxide class
27. The thinnest and outermost layer of the earth.
a. crust
b. mantle
c. core
d. lithosphere
28. Earth internal structure that has a thick of 100 km.
C. core
c. 70%
c. 78%
a. crust
b. mantle
d. lithosphere
29. Earth is surrounded with how many percent of water?
a. 30 %
b. 80%
d. 29 %
30. Salt water comprises how many percent?
a.2%
b. 88%
d. 98%
31. It is the accumulation of materials such as soil, rocks fragments and soil particles settling
on the ground.
a. erosion
b. weathering c. mass wasting d. sedimentation
32. The most common surface mining where ore or minerals are extracted from an open
borrow
a. surface mining
c. open-pit mining
b. strip mining
d. underground mining
33. This theory claims that the universe has no beginning or ending, and expanding over
time, its appearance remains the same.
a.Big bang theory
c. Planetesimal theory
b. Steady state
theory
d. Cosmic inflation theory
34. This theory stated that the early beginning of the universe is characterized by pure
vacuum energy that exploded due to rapid expansion.
a.Big bang theory
c. Planetesimal th eory
b. Steady state theory
d. Cosmic inflation theory
35. This is a physical treatment that separates solid particles through large screens.
a.Clay barrier
c. primary sewage treatment
b. Secondary treatment
d. segregation
36. The following are various forms of Biomass except:
c. Oil
a.Food waste
b. Animal wastes and crop residues
d. wood
37. Who proposed nebular hypothesies?
a. Immanuel Kant and Pierre-Simon Laplace
b. Alan Guth and Andrei Linde
c. Viktor Safrovov
d. James Jeans​

Answer 1

Answer:

It is to much long question