What percentage of a lower trophic level’s energy flows to the next higher trophic level?a.1%b.10%c.50%d.100%
Explain why energy in most ecosystems must flow from the sun, then to autotrophs and finally to heterotrophs, in that order.
Explain why lightning strikes can be dangerous even when an individual is not directly struck.
When sunlight strikes Earth, approximately _______.a.30% is reflected back into spaceb.70% is reflected back into spacec.50% is absorbed by the atmosphered.80% is absorbed by land and oceans
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