Answer:
To learn how to reproduce, how you get your traits, and genes, gene mutations, and other /good/bad stuff.
Explanation:
This is true because they have to test if ur drunk driving and stuff like that
Answer:
Sarah Good/Osborn i believe
Answer:
You need the mass of Mg and Ca in the sample and their molar masses
Explanation:
Its the only answer that made sense because using those 4, can give you their ration
Answer:
Fix any holes or cracks in your walls
Seal your doors.
Replace your internal doors.
Replace or repair your windows
Fix squeaky floors
Insulate your walls and ceiling.
Explanation: