Answer: Intentionally hyperventilating will start a positive feedback loop in which the neural controls for breathing will be upregulated.
Answer:
cheeseburger/x=260 fries/y=370
Explanation:
set up the equations
2x+y=890
3x+2y=1520
use elimination or substitution methods to solve
Answer:
Stomach upset.
Stomach pain.
Blood in the stool (which may be a sign of an ulcer that developed from eating nonfood items)
Bowel problems (such as constipation or diarrhea )
Explanation:
It is b cuz i had this question b4
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.
