Excersise and eating healthy are the two main things
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Answer ➜ Skin serves many important functions including:
1. protecting the body from environmental factors such as bacteria, fungus, viruses, allergens, water, and chemicals
2. regulating body temperature by sweating and adjusting blood flow to the skin
3. synthesizing vitamin D
4. helping the body sense touch, pain, temperature, pressure, and position
5. providing some protection against the sun's harmful ultraviolet rays via the skin protein melanin
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Answer: I'll give you quite a few.
Explanation:
Convenience sampling: (strengths) least expensive, least time consuming too. Most convenient.
(Weaknesses) selection bias. Not recommend by casual research.
Judgment sampling: (strengths) low cost, not time wasting. Convenient, ideal for exploratory research.
(Weaknesses) does not allow generalized subjective.
Snowball sampling: (strengths) can estimate rare characteristics.
(Weaknesses) time consuming.
I think the biggest one would be 621
Answer:
retrovirus
Explanation:
a retrovirus inserts RNA to produce the viruses DNA in the hosts cells
this is why mothers can pass HIV and other retroviruses through pregnancy or breastfeeding