Answer:
How can you distinguish a physical change from a chemical change?
Explanation:
Answer:
i do not know but i hope you do not find the answer for incorrectly answering mine.
Explanation:
Helium has the highest boiling point
Correct answer choice is :
D) The pitch of the sound being heard by the person will appear to be lower than the pitch of the source.
Explanation:
The sensation of a frequency is usually related to as the pitch of a sound. A high pitch sound relates to a high-frequency sound wave and a low pitch sound relates to a low-frequency sound wave. Whereas loudness depends on the power of the wave. In overall, the pitch is the cause behind the variation in voice quality for several people. The pitch of a sound depends on the frequency while loudness of a sound depends on the amplitude of sound waves.
The material moved<span> by erosion is </span>sediment<span>. The agents of erosion </span>lay down sediment<span> in a process called deposition. Deposition builds </span>new<span> landforms. Weathering, erosion, and deposition act together in a cycle that wears </span>down<span> and builds up Earth's surface.
WInd, water, animals</span>
