Biology, 10.02.2021 19:10 1969976289
A student is concerned with the amount of air pollution students are exposed to in the school's parking lot after school. The student conducts an investigation to compare the quantity of
particulate matter released from the diesel-powered buses, natural gas powered buses, and the large and small cars as they idle waiting to pick up students. To make measurements, a small
piece of white fabric is used to collect particulate matter from the tailpipe of each vehicle as it idles for five minutes. Each piece of fabric is then analyzed to measure the amount of particulate
matter it collected
(9) Identify the dependent variable, the hypothesis, a possible control group in the investigation
Answers: 1
Biology, 21.06.2019 15:00
20 points asap! question 1 - in your own words, explain the scientific evidence that supports the plate tectonic theory. question 2 - in your own words, explain why the geological structures in florida are different from the geological structures in colorado.
Answers: 1
Biology, 22.06.2019 00:00
Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.
Answers: 1
Biology, 22.06.2019 03:50
How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided
Answers: 1
A student is concerned with the amount of air pollution students are exposed to in the school's park...
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