The answer is B, because carbon monoxide is a poisonous gas, it has no smell or taste and continuous inhalation may choke you to death.
Nope. That is mental or emotional wellness.
Answer: Aerobic Heart Rate Zone
This is the zone to aim for when training for endurance. It spurs your body to improve your circulatory system by building new blood vessels and increases your heart and lung capacity. Aiming for 20 to 60 minutes in this zone is believed to give the best fitness training benefits.
Id say the third option, white blood cells, called lymphocytes, destroy pathogens and protect against future infections.
hope this helps :-)
Answer:
Between 1974 and 2011, the NFL moved the kickoff line three times. Each adjustment was carefully considered and made solely in response to circumstances and trends at the time.
In 2009, the rules were modified to prevent three or more defensive players from forming a wedge to block for the return man on kickoff returns. This change, aimed at reducing injuries, came about only after the Competition Committee members had meticulously examined hours of film of kickoffs.
Explanation: