Answer:
For example, the Milky Way galaxy is some 100,000 light-years across, and our closest galactic neighbor, Andromeda, is some 2.5 million light-years away. In other words, it takes light 2.5 million years just to travel from our galaxy to the one that is right next to us.
Explanation: Hope this helps if not lemme know
Answer:
DNA = Genetic material of cell
RNA = Transcribed from DNA
Protein synthesis= mRNA is translated into functional protein to perform different functions
Answer: Water can hold an unlimited amount of oxygen.
Explanation:
Water cannot hold an unlimited amount of oxygen because it would get to a point where it is saturated as it needs to hold Hydrogen as well. Air on the other hand, has significantly more space for oxygen as it contains only 21% and can keep taking more.
Underwater organisms need oxygen for respiration and a small decrease in the oxygen available in water affects aquatic life because they rely on it to survive.
There are many fuels that produce energy. Some are:
- Coal
- Nuclear Energy
- BioFuel
- Oil / Gas
Hope this helps!
Answer:
I read about this earlier im pretty sure its The "They need oxygen" part
Explanation:
:)
