rocks and minerals

how many types of rocks are there?

• 1

• 4

• 2

• 3

Identify this rock

• pumice rock

• sand stone

• granite

• obsidian

why does pumice rock float in water?

what are sedimentary rocks ?

igneous is a _____ word

what is moltin mass called?

• magma

• lava

• both A and B

• none of these

Which of the following igneous are formed by slow cooling of lava?

• granite

• pumice

• Obsidian

• none

The rock formed by clay and mud in thin layers is

• slate

• shale

• limestone

• conglomerate

What are the types of coal?

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