Answer:
1920s and 1930s,
Explanation:
it's worth reiterating that helmets were not mandatory. That wouldn't happen until 1943. During the 1920s and 1930s, variations of the leather helmet appeared, but in 1939, the game changed –or at least became safer– when John T. Riddel introduced the first plastic helmet
A n environmental stressor could be;
the weather, too hot, say a heatwave, which can cause heat stroke, dehydration etc, or too cold, where vulnerable people may freeze to death, or develop frost bite etc.
So, some characteristic part of where we live which may, under certain conditions cause difficulty for us or some other living being.
<span> Explain the importance of these activities for getting into college, and invite the friends to join him.</span>
Answer:
skin appendages and physio-chemical properties
Explanation:
skin appendages can redirect and or stop the absorption of the drug as well as the physio-chemical properties of the drug itself that make it harder for the skin to absorb
Answer:
Multisystem trauma involves injuries to the body that affect more than one body system. There are several body systems, some of which include:
Cardiovascular
Digestive
Muscular
Respiratory
Nervous
Skeletal
Multisystem trauma can result in widespread complications in the body that can be potentially life-threatening. Learn more about multisystem trauma, including how to treat this type of condition.
