Answer:It would take 300 years.
Explanation: Light years are how much light travels in a year. Thus it would take 300 years for light to travel to earth if a star is 300 light years away.
Answer:
A fossil fuels
Explanation:
fossil fuels are Americas biggest energy producers we use things like coal, natural gas, and petroleum
Answer:
your answer would be isogametes
Explanation:
hope this helps :D
The external cell membrane. Even organisms as simple as bacteria have a cell membrane.
Prokaryotes do not have internal membranes but they still have external membranes.
Everything living thing has a cell membrane