Answer:
D. none of the above
Explanation:
The only things that can live without oxygen are related to being microscopic like bacteria.
1. two points
2.respiratory and organs
3.heart and heart
4.homogenous process/system
A Light Year is a mesurement of 5.879e+12 miles Compressed into one unit of mesurement or a "Light Year"
Light Years are used in the measurement of the universe because, to put it simply, SPACE IS BIG! The use of Light Years (5.879e+12 miles) Breaks the observable universe down into manageable chunks for astrologists.
They are dangerous to the environment because they have no natural competition. That being said they have nothing to keep their population in check, therefore, taking away food, and habits from all the other species. Thus, causing species to die out, which in turn ruins the food chain.
It is always necessary to analyze research for bias