Answer:
D
Explanation:
it has to be D because its talking about "how does a volcanic ash affect water systems"
<span>Gasoline contains stored chemical energy. When gasoline is burned in a lawn mower, the energy is transformed into mechanical and thermal energy.</span>
Answer:
B
Explanation:
Low-pitched sounds don't vibrate a lot and their wavelengths are farther apart meaning the tops of the wave will be farther.
Also, this isn't a biology question. Have a good day.