I think b surface fronts but im not 100% sure
I feel it is the contribution on cotemporary physics.
This is more current than even modern physics.
Please mark me as brainliest.
Answer:
it is the base unit of temperature .
Explanation:
you can change celisus into kelvin by doing a quick math .
K = °C + 273
5 atoms 2 iron and 3 oxygen I hope this helps
Answer:
These are things that won't be going away. Natural gasses and fossil fuels will likely run out someday or become much harder to find. When you use these sources of energy, they won't be going away and therefore will be sustainable because we can always continue using them.
Does that make sense?
Explanation: