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.
Answer:
By reading the label.
Explanation:
The chemicals can have positive as well as negative effect on the organisms's health. Chemicals can cause inflammation and can also be used in the drug preparation.
The thinners, paint and other articles may contain the different chemical product. To known about their hazardous effect one should at- least read the label properly and mus show the preventive measures when comes in contact with the chemicals.
Thus, the answer is by reading the label.
B improve your posture and appearance
C will be your answer .medicine containers do have the expectation date. instructions on how to take it and how many & it has the numbers of the medicine.