Answer:
Anaerobic work like weight training is used to build muscular strength and cardio exercises like running and biking are used to build heart and lung endurance.
Explanation:
Having low haemoglobin means less O2 is being sent to the blood and heart, which can reduce heart rate which is dangerous
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.
C. he may eventually spend a large amount of money on health care costs.
