A is the answer, Without an Official Government seal, the Certificate is invalid, and not a usable form of identification. :) hope I helped!!
Answer:
<h3>1==>During the Olympics, all asthma medications containing beta2-agonists, such as salbutamol (also known as albuterol), were on the official World Anti-Doping Agency (WADA) list of banned substances, due to their known ability to relax the smooth muscle cells in bronchial airways.</h3>
<h3>3.==>EPO stimulates the production of red blood cells in bone marrow and regulates the concentration of red blood cells and haemoglobin in the blood. This is useful for athletes, since red blood cells shuttle oxygen to the cells, including muscle cells, enabling them to operate more effectively.</h3>
Workers in the industrialized sectors laboured in factories rather than in scattered shops or homes. Steam and water power required a concentration of labour close to the power source. Concentration of labour also allowed new discipline and specialization, which increased productivity.
It’s T they provide protection and give our body structure
