Answer:
I believe the answer is C. Spectroscope
Explanation:
"To study the atmospheres of other planets and their moons, earthbound astronomers use a set of techniques called spectroscopy. Light is collected by a telescope and split into its component wavelengths, creating a spectrum."
HIPWAC - NASAhttps://ssed.gsfc.nasa.gov › hipwac › howitworks
Answer:
coastal plain that includes beaches and dunes, river deltas, bays, estuaries and wetlands, rolling foothills and low mountain ranges (I think thats what you mean)
Explanation:
Much of the eastern portion of the City is coastal plain
Explanation:
Anterior cruciate ligament
A because 60 divided by 20 is 3 so it is going through 3 stages of half life. 40/2=20 which is one half life then 20/2=10 which is the second half life then 10/2=5 which is the 3rd and final half life