Answer:
why Are Acid-Base Indicators Important? Acid-base indicators are important because they help chemists get an estimate of the pH value of a given substance. ...
Explanation:
Acid-base indicators are usually weak acids or bases and are able to respond to changes in the hydrogen ion concentration of an unknown substance.
by injecting the weakened virus into your body it helps the body familiarize and create the right antiviruses for the virus so that if it ever gets in your system you can actually fight it.
hope that helps <3
Cause they both on the screen what else
Answer: A) Tropical regions have more available niches into which new species can occupy.
Explanation: USATestPrep