The answer is the first option.
"They perform well only at very low temperatures."
Despite of advantages of Superconductors such as power and cost efficiency, these conductors have drawbacks. Semiconductors have restricted operation range of operating temperatures. They are required to work at very low temperatures.
Answer:
rafflesia arnoldii is thw most largest flower.
Answer:
it will be the answer B. scientists discover new elenents.
It can cause bacteria in bacteria can cause diseases
