Answer:
An inactivated/killed vaccine is a vaccine consisting of either whole viruses or bacteria, or fractions of either, that have been grown in culture and then killed using physical (heat, or radiation) and chemical methods (usually formalin).
Explanation:
Virus: Measles vaccine, mumps vaccine, rubella ...
Bacteria: BCG vaccine, typhoid vaccine
Answer:
D.A round-trip ride to school and back
Explanation:
A round-trip ride to school and back would produce a total Displacement of zero.
You start and stop at the same place.
Hope this helps!
Fats are storage molecules , while enzymes are catalytic molecules
The circulatory system and respiratory system are protected by your skin, muscles, and ribs.