Answer:
A
Explanation:
when salt is in the water, it's the slightest bit denser, or thicker, than normal water because the salt dissolves intoit . it's not noticeable by normal people.
The Tiber river connects rome to the mediterranean sea.
<span>The light has traveled through space for two and a half million light years. Someone can do a simple Google search to find this answer, but you need to use keywords from the question. After looking at a few sites that discussed astronomy, I compared the websites to see if the results were the same, and they were.</span>
The activity that would be forbidden in Nazi Germany would be publishing a newspaper editorial that criticizes the country's leaders.
Answer: Massive star supernovae
2. Can only occur in a galaxy with ongoing star formation.
3. Black hole or neutron star left behind.
White dwarf supernovae
1. Star explodes completely, leaving no compact object behind.
4. Can only occur in a binary system.
5. Can occur in a very old star cluster.
6. Spectra always lack strong hydrogen lines.
7. Has a brighter peak luminosity.
Explanation: A supernova is a bright explosion of a star as it dies off. Supernova can occur due to the star losing the heat at its core which eventually makes it collapse. This is the type of supernova formed when massive stars die. They occur in a galaxy with ongoing star formation and a black hole or neutron star left behind.
Supernovae can also be occur when a star orbits another and crashes into another. This is what occurs in a white dwarf
. This is part of a binary system, can occur in a very old star cluster and leaves no compact object behind.
