Seismic waves that propagate through Earth are known as
a. focus waves.
b. surface waves.
c. gravity waves.
d. body waves.
d
Physics & Space Science
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The quark structure of the neutron is udd
Indicate whether the statement is true or false
Physics & Space Science
What is the main requirement for a habitable zone?
A: Lots of sunshine B: A large enough moon C: Food supplies D: Seasons E: Liquid water
Physics & Space Science
Without the ozone layer, life on Earth would be in danger from increased levels of _________ radiation.
a. UV b. X-ray c. gamma ray d. infrared e. microwave
Physics & Space Science
State the relationship between the frequency and the period of a wave
Physics & Space Science