vascular or non: fern
What will be an ideal response?
vascular
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These phytoplankton flourished in the Miocene, probably because of increased volcanism:a
coccolithophores d. foraminifera b. diatoms e. radiolarians c. dinoflagellates
How many separate episodes of glaciation have occurred during Earth's history?
What will be an ideal response?
Explain why a glass containing an ice-cold beverage often becomes wet when it sits out at room temperature
What will be an ideal response?
On-site disposal of food waste using an in-sink garbage-disposal unit is detrimental for all of the following reasons except
A. it increases the volume of solids that must be treated by municipal wastewater treatment plants. B. it requires electricity and water. C. it reduces the impact on local landfills. D. it adversely affects the performance of septic systems.