A covalent bond is formed when atons share electrons in their shell
A. convenience equals enormous expense.
Things in smaller packages cost way more than things in larger packages, so it’s more cost effective if you buy a bigger bag and then just eat a little bit of it.
No because the sunlight gives them the energy they need
A prokaryotic cell does NOT have a membrane. Eukaryotic does on the other hand. A great example of a Prokaryotic cell is bacteria.