Answer:
families
Explanation:
they all have different second names
D is correct. Newton's first law of motion states that an object in motion stays in motion. The orange is moving and then the tray stops making the orange move forward because of inertia. Hope this helps! ;)
A chemical indicator is a substance that changes color when you an acid to it. it is used to test the acidity in water, soil, etc.
i havent learned how it works yet , but ill try to figure it out for you
Simple....
this Na+
It means that it's positive..it has one less electron then a normal sodium atom would have..making it a cation.
Thus, your answer.
