Alle o comprehensive Science 3 Q4 Part
His a chemical
and Hy is a chemical
symbol
formula
code

It would be true sodium reacts with water in a violent way 

Large asteroid and comet impacts. because they can have a huge impact on the environment, such as a loss of land, and crust on the earth with the big holes they produce. on the other hand, volcanic eruptions can also cause change within the environment by producing land, but im actually not quite sure which one would be a better answer, hopefully you read this and didnt just flat out choose the first sentence i have spoken! your welcome~

Answer: =6.19lexplanation: by ideal gas equation we know,hope this : )

Ithink a protons