Seedless vascular plants lived in low wet habitats because they:a
need water to reproduce.
b. do not have a means to transport water through their structure.
c. had no protection from desiccation.
d. were a food source for amphibians.
e. all of the these.
A
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Why does the Environmental Protection Agency (EPA) classify CO2 as an air pollutant?
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Which biome has the greatest biological diversity?
A) tropical rain forest B) oceans C) temperate deciduous forest D) deserts E) grassland
The _______________ of a building’s sway tells how many times per second it will sway back and forth
Fill in the blank with correct word.
The Ogallala Aquifer is found in California, where it supplies most of the water for that state's irrigated agriculture
Indicate whether the statement is true or false