Tina observes B and E occur.
This increase and decrease in sound amplitude is due to the Doppler effect.
Answer:
The best observation is "The Cat's tail is 12 inches."
Explanation:
It's not saying how it smells or looks, it's saying how tall it is.
Carnivores , secondary consumers , heterotroph
Isotonic solution.
Since it has the same salt concentration as the cell the solution is neither hypotonic or hypertonic.
A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response.
