Cephalosporin antibiotic.
Answer:
Maybe you should go to a doctor. ;-;
Explanation:
It's when people have trouble sleeping and it can get into their health and cause bigger problems but it mostly occurs in women but not really in men
A. because even though it is not ideal to ever be stressed out to the point of it inflicting your heart. It is common for athletes do that to condition there hearth and lungs to function at the highest of extremes possible.
Answer:
The unknown radioactive element is present in pitchblende.
Explanation:
Marie Curie was the scientists that mainly worked on the radioactive element. She was the first scientist who won the noble prize in two different fields of science.
The pitchblende was the mineral sample that was noticed by Marie curie during her experiment. Pitchblende contains a more radioactive element that uranium and confirms that she had found a new element.The new element was polonium with hundred times more radioactive than uranium.
Thus, the answer is unknown radioactive element is present in pitchblende.