GENERAL KNOWLEDGE

GK

GENERAL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Miss Kiel shows you a rock called sandstone. After you observe, you notice a tiny grain of sand that fell off the rock. You wonder why it is like that. What can you most likely conclude about your observation?
A
Sandstone is not a rock
B
Sandstone breaks apart easily to form sand and soil
C
Sandstone falls apart easily because the grains are the color pink
D
Sandstone forms the Earth’s molten crust
Explanation: 

Detailed explanation-1: -Sandstone is a type of sedimentary rock. It forms when grains of sand are compacted together over very long periods of time. Normally this sand has an abundance of quartz but can also contain other minerals and materials.

Detailed explanation-2: -During burial and compaction, sediments will undergo some amount of cementation. Cementation refers to the growth of new minerals between the sediment grains. These new minerals bind the sediment grains together.

There is 1 question to complete.