the reason why is because they could have key information.
# Breathing rate:it decreases breathing rate.
# The effects of tobacco smoke on the respiratory system include:
irritation of the trachea (windpipe) and larynx (voice box)
reduced lung function and breathlessness due to swelling and narrowing of the lung airways and excess mucus in the lung passages
impairment of the lungs’ clearance system, leading to the build-up of poisonous substances, which results in lung irritation and damage
increased risk of lung infection and symptoms such as coughing and wheezing
permanent damage to the air sacs of the lungs.
.#Heart rate.
See the image for decrease in heart rate..
2.Athelets and musician has high capacity to hold air. .
See image for answer...
The electoral college selected George Washington unanimously.
From the beginning, Great Britain had most of the advantages in the Revolutionary War. They had better guns, better troops, and better leaders. The only advantage the colonists had was that they knew the land and how to exploit it for their benefit, like Swamp Fox. Winning the support of the French brought more guns and troops, and leaders like Lafayette and Rochambeau. During the seize of Yorktown, Rochambeau sealed in the Redcoats, winning the war for the colonists.
I believe the answer would be C) The cost of cars, because the establishment of the highway system should not affect how much any car is worth