Write a paragraph about "Why the constellations appear to move across the sky". (Thanks if you help!! Means a lot! :D)

The constellations appear to move across the sky because of Earth's rotation. Earth moves from west to east, so the stars look like they appear from the east. Stars move across the sky during the day, but because of the Sun, we can't see them.  

Explanation:

maybe the spark is gone, love is a weird emotion and there is a possibility he may have found somebody else.

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance