Answer:
11.009306 or 11.009
Explanation:
boron 11 has atomic mass of 11.009306
<span>their identified by the number of protons they have in the nucleus which = their electrons. </span>
Calcula el Tanta por ciento en peso de soluto
Answer:
When you are exercising, your muscles need extra oxygen—some three times as much as resting muscles. This need means that your heart starts pumping faster, which makes for a quicker pulse. Meanwhile, your lungs are also taking in more air, hence the harder breathing.
Explanation: