1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Brilliant_brown [7]
3 years ago
13

When did it become mandatory to wear hard shell football helmets?

Health
1 answer:
kondaur [170]3 years ago
8 0

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

You might be interested in
Are diseases inevitable ? Give reasons​
DedPeter [7]

Answer:

no

Explanation:

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful.

Getting sick is an inevitable part of life, but with the right understanding you can help fight off illnesses, and prevent them in the future.

8 0
3 years ago
When people think of drug abuse and addiction, they usually think of how it affects the individual user or addict and the user o
Greeley [361]
It Effects Population And can Cause Suicide of the Victims Family or Friends.
Also The Drugs can Help People Like Weed Can Help People Get Better.

Sorry if this is Not What You Were Looking For i'm Only a Teenager.
3 0
3 years ago
Read 2 more answers
What is tissue culture ​
krek1111 [17]

Tissue culture is the growth in an artificial medium of cells derived from living tissue.

8 0
3 years ago
Read 2 more answers
A medical study was looking into the question if using a drug to reduce blood cholesterol level will decrease the risk of a hear
kykrilka [37]
No i do not think the drug was effective enough
6 0
2 years ago
What does the acronym DNR mean: Think~ If a patient dies and the medical staff revives them back to life, how could a DNR on rec
Contact [7]
C. Do Not Resuscitate.

Performing CPR to revive a patient with DNR record is both an ethical and legal dilemma. Ethically, it is necessarily expected from health care workers to perform and provide life prolonging or saving responses. However, the patient has the right to choose whether he or she should receive treatment and which must be respected. DNR order can be documented through the personal expression of the patient of refusal of treatment in front of witnesses. When the patient is incapacitated or does not have the right mind to make the decision, another way a DNR order can be obtained and documented is through the a legal guardian, legal spouse, adult child, parent, adult sibling or nearest adult relative.
4 0
3 years ago
Other questions:
  • The endocrine system plays an important role in the body by influencing every organ and cell. Please select the best answer from
    5·2 answers
  • You are dispatched to an elementary school for a 7-year-old boy who sustained a minor injury while on the playground. The child
    8·1 answer
  • An investigational drug isoxicam has been discontinued by the physician. the remaining drug should be:
    8·1 answer
  • along with an erect structure that enables us to walk on two legs, what is a feature that distinguishes the human skeleton from
    9·1 answer
  • It is very hot in the room but Jamie does not seem to notice. Her exteroreceptors have detected the heat and sent the message to
    11·1 answer
  • Which trait helps a person easily adjust to changes?
    13·2 answers
  • Good morning guys how are you doing
    11·2 answers
  • Scientists at a pharmaceutical company are exposing bacteria to new "prototype" antibiotics. During antibiotic treatment, many o
    13·1 answer
  • What are the recommended number of daily servings for each food group in the
    8·1 answer
  • Is being sincere, genuine, and upfront, synonyms of Honest? TRUE OR FALSE?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!