Environmental Science
Biotic potential is counteracted by

Producer is the largest
Limitation of food supply
Competition with other organisms
None of these

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Environmental Science
Suppose yesterday morning you noticed ice crystals (frost) on the grass, yet the minimum temperature reported in the newspaper was only 35o F. The most likely reason for this apparent discrepancy is that:

The newspaper reported the wrong temperature
Temperature readings are taken in instrument shelters more than 5 feet above the ground
The thermometer was read before the minimum temperature was reached for that day
The thermometer was read incorrectly
The thermometer was in error

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Environmental Science
Thermal belts are:

Pockets of cold air resting on a valley floor at night
Cold, below-freezing air found at the top of a mountain
Warmer hillsides that are less likely to experience freezing conditions
Pockets of warm air resting on a valley during the afternoon

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