<h2>Hardness, lustre, and colour.</h2>
Explanation:
These Rocks shown in photographs are made of different types of minerals which have properties as follows:
●The color of the rock is grey, brown and yellow after it is ground into a powder its color is streak.
● The lustre of the rock tells how shiny the rocks are.
● Other properties include hardness, texture, shape, and size.
It is protected by a mucus layer formed on the surface regularly that ressist ph values.If it isn't formed our body will eat itself.
Answer:
C
Explanation:
The answer is C because only that amount can move
Answer:
true. I think
Explanation:
A chemical formula shows the atoms a molecule is made of.
H2O became a vapor when heated because thats the only one that can go back to its normal state, which is what a physical change is.