Oxygen enters the lungs, then passes through the alveoli and into the blood.
Answer:
d
Explanation:
because if you put half the amount of nicotine per cigarette they will still want to buy 2 the amount of cigarettes.
Answer: See explanation
Explanation: People unfortunately still see color when they look at someone else. As a result, people of color or different cultural background have to be more aware of their surroundings. People of color could possibly feel self conscious because of the way people judge their skin color and not their personality or them as a person.
Answer:
Yes, for instance...
Picking up trash can be a big help, less pollution for us!
Less factories
Less smokers to prevent air pollution once again.
For the virus right now, wearing mask can help a lot.
Staying quarantined also can help make a difference.
I hope this helps.
D). If the crosswalks were painted it would it make it more visible to cars. It would also be more visible to pedestrians so they don't Jay walk and get hit.