Geography, 10.10.2019 22:00 kaykay9243
7. purely observational epidemiologic studies do not usually include: a) cross-sectional studies c) experimental studies b) counts d) cohort studies which of the following is used to describe toxic effects of chemicals? a) aqi c) tfr 8 b) vocs d) ldso which best describes a risk characterization a) estimates the number of excess unwarranted health events expected at different time intervals.
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Geography, 22.06.2019 03:00
1) name any two states which are leading producer of cotton textile in india 2) wht information technology 3) name any two countries which are leading producers of cotton of cotton textile 4) wht is add to pig iron to convert it into steel
Answers: 3
Geography, 22.06.2019 21:30
Which of the layers of the earth has the following three characteristics? i. it is made of molten rock. ii. it has currents that are constantly moving. iii. earth’s plates float on top of its currents.
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Geography, 23.06.2019 05:30
The covers all of earth like a thin shell,but it is not a solid sheet of material.it is broken up into several large sections and many smaller ones. fill in the blank.
Answers: 1
7. purely observational epidemiologic studies do not usually include: a) cross-sectional studies c)...
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