Until the middle of the 20th century, doctors sometimes suggested that
people smoke in order to reduce stress. Since then, doctors have been asking
patients who smoke to quit.
What caused this change?
A. Tobacco is an illegal drug, and doctors are required to discourage
its use.
B. Tobacco plants have been categorized as an endangered species.
C. Studies have shown that tobacco and tar in cigarettes have
negative health effects.
D. Tobacco is a nonrenewable resource, and the government has
restricted its use.
Answers: 1
Biology, 21.06.2019 19:00
Apea plant that is heterozygous for the tall phenotype can produce short offspring when self pollinating. which of the following explains why this occurs? a. segregation of allels b. condominance of traits c. polygenic expression of traits d. independent assortment of alleles
Answers: 1
Biology, 21.06.2019 19:10
Which pedigree symbol is used to represent a female carrier of a recessive x-linked trait? поө0 || save and exit submit
Answers: 1
Biology, 21.06.2019 21:00
The pattern of this wave changes between its beginning and end. what is true about the amplitude and wavelength of the wave when the pattern changes?
Answers: 3
Biology, 22.06.2019 01:30
The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?
Answers: 1
Until the middle of the 20th century, doctors sometimes suggested that
people smoke in order to red...
Social Studies, 30.01.2020 07:50
Chemistry, 30.01.2020 07:50
Biology, 30.01.2020 07:50
Mathematics, 30.01.2020 07:50
Computers and Technology, 30.01.2020 07:50
Mathematics, 30.01.2020 07:50
Chemistry, 30.01.2020 07:50
Geography, 30.01.2020 07:50
Mathematics, 30.01.2020 07:50
Mathematics, 30.01.2020 07:50
Biology, 30.01.2020 07:50