Answer:
A light-year is a unit of distance.
Explanation:
Light moves at a velocity of about 300,000 kilometers (km) each second. So in one year, it can travel about 10 trillion km. More precisely, one light-year is equal to 9,500,000,000,000 kilometers.
An ecosystem has abiotic(no living things like water and wind) and also biotic(living things) while a community is biotic things
I would say D. Fossil fuels must be burned to release their energy.
Answer:
False
Explanation:
please mark me as brainliest
Answer:
okie, i shall try to answer your other questions
Explanation: