By contracting, muscles pull on bones and allow the body to move.
Not stretching before, lifting more then your max, improper form, dehydration and not eating, non stop movements can be dangerous
Knowing what you’re doing and the possible consequences can help you stay safe and prepared
Because your using and toning the muscles you will use for those sports that way when it’s time to play your body already knows what to actually do
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.
Check the label the average human needs 65-90 milligrams of vitamin c a day
Determination, persistence, optimism and realism. determination and persistence because without it you cannot take steps towards the goal and it will falter and be forgotten. Optimism so goals can be seen in a positive light and can be achieved with a growth mindset and lastly realism because its always good to reach for goals you know you can reach with just a lot of extra effort aiming for a goal that seems next to impossible is setting you up for failure unfortunately:(