Biology, 16.01.2020 06:31 nauticatyson9
Which statements describe the effects of indoor pollution? check all that apply. ultrafine particles cause poor health. nose hairs and mucus catch all the particles before they reach the lungs ultrafine particles are absorbed by the lungs when people breathe. ultrafine particles contribute to more than 20,000 deaths per year in the united states. most ultrafine particles can be seen with the unaided eye. what happens when the atmosphere interacts with the biosphere? check all that apply. winds are produced. groundwater supplies are replenished. carbon dioxide is cycled during plant respiration. water vapor is available for plant photosynthesis. volcano eruption influences the cycling of nitrogen.
Answers: 3
Biology, 21.06.2019 21:00
Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis
Answers: 1
Biology, 22.06.2019 09:00
Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs
Answers: 2
Biology, 22.06.2019 22:00
You have trained year for a marathon. in your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4-5 hours. a. what is the length of a marathon in kilometers (1mile= 1.6 kilometers). b. what would your average speed have to be to complete the race 4.5 hours? give your answer in kilometers per hour.
Answers: 1
Which statements describe the effects of indoor pollution? check all that apply. ultrafine particle...
English, 28.01.2021 03:10
Chemistry, 28.01.2021 03:10
English, 28.01.2021 03:10
Mathematics, 28.01.2021 03:10
Arts, 28.01.2021 03:10
History, 28.01.2021 03:10
Computers and Technology, 28.01.2021 03:10
Mathematics, 28.01.2021 03:10