Answer:
all of the above is the correct answer
Answer:
the planets are all spheres.
Explanation:
the planets are all spheres. even the sun is and it's a star .
<span>There are FOUR jet streams on Earth in total.</span>
The density wave theory suggests that the spiral arms of the Milky Way Galaxy are the result of a Spiral Density Wave moving around the Galaxy.
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