The answer is 3
Explanation:
Oxidation and Reduction, I think? I may be wrong, I don’t really know what I’m talking about.... sorry if I’m wrong....
Answer:
It is dangerous cause it is polluting the earth which is making glaciers melt and the world a lot hotter.
Explanation:
It is when people burn fossil fuels and dangerous chemicals get into the air.
Hope this helps
Answer:
Blood transports <em>oxygen</em> from the lungs to all cells of the body.
Explanation:
In the circulatory system , a person breaths in air which is then filtered for oxygen an d the rest of the components are discarded through exhaling .
The oxygen is then taken in by air sacks which later combines blood with oxygen , so hemoglobin which is a blood component takes it to form oxyhemoglobin , which runs through the blood vessels , to the cells for consumption .
The cells will then deposit the deoxygenated blood which returns back tot he heart and then lungs for oxygenation .