Answer:
b
Explanation:
ignore this i have to put words to answer
<span>A communicable disease is a disease that can be
passed from person to person. It can also occur from an animal to a person or
vice versa. Airborne viruses, bacteria, blood, and bodily fluids can cause the
spread of these diseases. When things are infectious or contagious it also
refers to communicable diseases. The most common communicable disease is the flu,
which can easily spread in an enclosed environment with a recycled circulating
air (e.g. air-conditioning). Infectious disease caused by blood contact like
HIV/AIDs are also dominant in society. </span>
To prevent H20 from contaminating the washed area, as the water runs off the elbow rather than the hands that will be used in the surgery
A molecule is two or more atoms bonded together chemically. An atom is the most basic unit of matter. When atoms are chemically bonded together with covalent bonds, molecules are formed. Molecules can be very small like water molecules or extremely large like proteins such as hemoglobin.
