An externality takes place when an action which is being conducted attending an individual interest, has an effect on other third parties (this effect can be either positive or negative).
Improving the appearance of the property is considered a good externality, as it supposes an upgrade for the area in which is embodied. An improved property enhances its market value but also the market values of the surrounding properties of the neighbours.
Answer:
(A)the probability that a randomly chosen postmenopausal woman has a healthy bone density is 1-0.40=0.60.
(B).the probability that a randomly chosen postmenopausal woman has some problem with low bone density (osteopenia or osteoporosis) is :1-0.07=0.93
(C)Cigarette smoking, excessive alcohol and caffeine consumption, lack of exercise, and a diet low in calcium.
(D).Female gender, Caucasian or Asian race, thin and small body frames, and a family history of osteoporosis.
Explanation:
Answer: C. Single-blind
Explanation:
A single-blind study makes only the researcher aware of the task as the subjects have limited information of what they're into especially their groups. One of the benefit of this study is it makes results less bias as results are less likely to be affected by the subjects uniformed decisions.
<span>It means that the ecoclimatic and biogeographic zone of transition in Africa between the Sahara to the north and the Sudanian Savanna</span>
