Answer:
physical
Explanation:
no chemical reaction occurs
Answer:
Lake Ontario and St Lawrence Seaway
Explanation:
The Great Lakes are connected to the Atlantic Ocean through the St. Lawrence Seaway.
When two carbon atoms are covalently bonded together, they try to achieve an octet structure so their electrons are 4 in number while each of them donates their remaining 2 so they end up sharing 4.
Answer:
By weight they have the same mass, but the number of atoms is different
Explanation:
Take 15/100 X 75 = The answer