AP BIOLOGY

BIOCHEMISTRY

ORGANIC COMPOUNDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A ____ is a substance that is made of 2 or more elements that are chemically combined.
A
atom
B
cell
C
element
D
compound
Explanation: 

Detailed explanation-1: -A compound is a substance composed of two or more different types of elements chemically combined in a fixed proportion.

There is 1 question to complete.