Answer:
78.09% nitrogen
20.95%oxygen
0.03%carbon dioxide
0.93%other gases
this is the composition of air
it is essential for respiration
Explanation:
if it helps then mark as brainliest✌️✌️
A multi-sport event is an organized sporting event, often held over multiple days, featuring competition in many different sports among organized teams of athletes from (mostly) nation-states. ... Games are held over the course of several days in and around a "host city", which changes for each competition.
Answer:
weak immune system
Explanation:
not getting enough sleep can slowly hurt the way your immune system fights off and protects germs
The lens of the eye loses its ELASTICITY with age and cannot change from viewing distant objects and close objects as readily as before.
Adolescence is the transitional stage from childhood to adulthood, usually the years between ages 13 and 19 which are characterized with rapid growth and puberty changes.
The statement that adolescence is universal is true. Adolescence is universal because all societies recognize adolescence as a stage of human development.