I just took the test the answer is D-Deposition
Answer:
absolute brightness
Explanation:
The observational fact about a cepheid variable star that leads to a measurement of its distance from earth is that its period of variation is directly related to its absolute brightness
Answer:
Seismic waves are recorded by a machine called a seismograph, which tells us about the strength and speed of the seismic waves
Explanation:
<span>upslope fog hope this helps!</span>
The answer is: Amazon Rainforest
