How does sediment form? Molten rock cools below Earth’s surface.

Chemical changes cause sediment to cement together.

Loose material is compacted by pressure.

Weathering breaks down rock and other material.

i will give brainlest also if this get answer becuase i said this no one should have to say that but i will

Loose Material is compacted by pressure.

c. heat could easily travel through the molecules in the air and escape/enter the flask. removing the air slows down the heat transfer.  

answer: -

reaction:

na + cl ⇌ nacl

balanced chemical equation:

na + 2cl ⇌ nacl2

sodium + clorine goes to form sodium chloride (table salt).

the product is nacl2.

and the reactants are na and cl.

(note: if you don’t know what ⇌ means, read below: -

⇌(double head arrow) means reversible reaction).