<span>B. dehumidifying air in buildings
BRAINLIEST?
</span>
Use a heart tracker while walking, sometimes even a phone could have an app to do that.
U should drink some water and take deep slow breaths and if u don't feel better u should go to an emergency center
2. I'm not sure
3. Any time that's best and most comfortable for you
<em>Distance from P (x, y) to origin
</em>
<em>
</em>
<em>Points of origin Q (0,0)
</em>
<em>
</em>
<em>By applying distance formula
</em>
<em>
</em>
<em>√(x2 - x1)² + (y2 - y1)²
</em>
<em>
</em>
<em>√(0 - x)² + (0 - y) ²
</em>
<em>
</em>
<em>√x² + y²
</em>
<em />
<em>Hope this helps you.</em>
