The evidence that Ottawa scientists collected in researching PCB concentrations in Alaska was that salmon were responsible for high levels of PCB. Salmon head to Alaska to spawn and the lakes with the most salmon have the highest levels of PCB.
Scientist collect evidence by doing extensive research. Depending on what they are seeking evidence for, some researches takes an extensive period of time. Basically a research can take a day while others take 10 years or more.
investigate behavior experimenting
investigate behavior experimenting
1) by testing there theory by experimenting it 2)getting it from other scientists 3)by accident
By using special equipment
By aksing questions like how, why, i.e, being curios and experimenting and observing
Compound Microscope.
Scientist collect evidence by doing extensive research. Depending on what they are seeking evidence for, some researches takes an extensive period of time. Basically a research can take a day while others take 10 years or more.
They go underground and see what there if it is deep they can use a submarine
Scientists perform experiments to collect data.
scientists collected their evidence from space shuttles going into space, and monitors radars they have floating up in space. they also have cameras on these radars so we can see the universe 24/7 in earth. pretty cool eh innih lol
data
reaserch
organize and collect data
Scientists collect Germanium from certain types of mineral specimens. These include Sphalerite and other ores from silver, copper, and lead.
Scientists make observations.
Non-scientists provide additional sources of data that scientists can use.