Hope that this will help you
You need to FOIL. F- First. O- Outside. I- Inside. L- Last
The answer would be
The correct option is this: IT IS A DOUBLE BOND.
A molecule that contains two carbon atoms and four hydrogen atoms will have the structural formula C2H4. The type of bond found in this compound is double bond. A double bond is a type of bond in which two pairs of valence electrons are shared between two different atoms.
- - Science put to practical use is formally known as technology.
Answer:
C.
Explanation:
Here is a defintion of the immune system:
The major function of the immune system is to protect the host from environmental agents such as microbes or chemicals, thereby preserving the integrity of the body.
C. matches that definition nicely.
:)