6 ms·
The photos don't show a scale. What magnification microscope should I get to look at the rain droplets falling where I live so that I can see how much plastic t
by GuiA 7y ago
The photos don't show a scale. What magnification microscope should I get to look at the rain droplets falling where I live so that I can see how much plastic there is?
- herlitzj 7y agoThe linked study says 40x https://pubs.usgs.gov/of/2019/1048/ofr20191048.pdf https://pubs.usgs.gov/of/2019/1048/ofr20191048.pdf