Individuals who smoke will have a higher frequency of developing cancer later in life. Which of the following would not be a potential extraneous variable for the stated hypothesis? A. the occurrence of lung cancer in subjects B. exposure to secondhand smoke C. the amount of cigarettes smoked per day by subject D. the number of years as a smoker
Answers: 2
Biology, 21.06.2019 18:50, jimmyjimjim
The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight. which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.
Answers: 2
Biology, 22.06.2019 17:00, TheVariableWhoLived
As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet?
Answers: 1
Biology, 22.06.2019 18:30, Demondevilg
Support mangrove trees out of the water. a) pneumatophores b) prop roots c) sand dunes d) tide supports
Answers: 1
Biology, 22.06.2019 21:30, emilypzamora11
Urban areas use energy than rural areas, mostly because so many more people live there. a) solar power b) more; in total c) less; in total d) an electric furnace
Answers: 3
Individuals who smoke will have a higher frequency of developing cancer later in life. Which of the...