Answer: The pH scale measures whether there is more hydroxide or hydronium in a solution.
Is important because it tells you how basic or acidic the solution is.
Explanation:
Because the gram stain differentiates two types of bacteria based on the composition of their cell walls.
The difference that exists between the inner and outer planets is - D. None of the inner planets have rings, whereas all the outer planets have rings.
Planets in the solar system are divided into two groups on the basis of distance from the sun are Inner planets and outer planets. The inner planets are closer to the sun compared to the outer planets.
Inner planets:
- include four planets - Mercury, Venus, Earth, and Mars.
- Also called terrestrial planets
- small and rockier
- very less or no natural satellites
- No rings around them
Outer planets:
- include Jupiter, Saturn, Uranus, and Neptune
- called gaseous planets
- larger and gaseous (hydrogen or helium)
- numerous satellites
- found rings around them.
Thus, the correct option: D. None of the inner planets have rings, whereas all the outer planets have rings.
Learn more about planet ring systems:
brainly.com/question/1171242
Answer:
Ос. He used DNA testing to compare evidence to possible criminals.
Explanation:
Detective Scott worked to solve cases by the use of DNA testing which is an efficient way to solve a criminal case because DNA testing provides all information about the criminal. Due to this DNA testing, he solved many cases and the criminal caught with the help of this testing. If he can't use this DNA testing method then the case would not be solved.
