Monday, February 1, 2021
Holly Thorpe's science fair project measured CO2 levels around school buses and led to the change.
from BBC News - Home https://ift.tt/39BG95m
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Holly Thorpe's science fair project measured CO2 levels around school buses and led to the change.
from BBC News - Home https://ift.tt/39BG95m
via IFTTT
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