Environmental Science
Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing. This condition happens because the tops of the cars are cooling by:

Convection
Latent heat
Conduction
Radiation

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Environmental Science
A food web is

Like a food chain
The set of prey species that are consumed by animals in an ecosystem
A set of interconnected food chains, illustrating the tropic relationships among species
The tropic (feeding) levels that can be observed in an ecosystem

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