False. Sometimes pushing yourself can help your mind to tell itself "I can do this!" Besides, sometimes pain is a great motivator!
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:
The term for blue skin caused by lack of oxygen is cyanosis. One is said to be cyanotic when presenting with this discoloration.
Answer:
cell membrance
Explanation:
because that is the defect mostly to be located