D. When a natural disaster strikes, FEMA is there to assist the public. An answer that is not there, but one that helps is the red cross, although they are not federal.
Ozone and oxygen molecules in the stratosphere absorb ultraviolet light from the Sun,which prevents radiation from passing to the Earth's surface.
Answer:
It holds our solar system.
Explanation: The Milky Way is the galaxy that contains our Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye.
Answer:
B lithosphere
Explanation:
All land on Earth makes up the lithosphere
Early scientific attempts st determining Earth's age gave a number that was around 4.6 billion years old.
<h3>Radiometric dating methods</h3>
The age of rocks can be most determined by radiometric dating.
This process of radiometric dating makes use of two different isotopes of a sample.
It is known that Radioactive isotopes break down within a known amount of time and this enables geologists to determine the age of a sample with the aid of equipment like thermal ionization mass spectrometer.
Learn more about Radiometric dating at