3 years ago

Why is the incubating process necessary for the development of birds?

1 answer:

3 0

Bird eggs will only develop at a temperature close to the body temperature of the parent bird thus a parent bird usually incubates the eggs by sitting on them to keep them warm

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3 years ago

Producers are found on what level of an energy pyramid

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first/ lowest level

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Which of the following statements about energy producing technologies is true? a. Some currently used energy producing technolog

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b. Alternatives to nonrenewable energy sources can be as effective.

Explanation:

Sources of energy can either be renewable or nonrenewable. Nonrenewable sources of energy e.g petroleum, coal etc are those that are used faster than can be replenished. They tend to release pollution into the environment.

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Renewable sources are found to be effective and eco-friendly alternatives to the nonrenewable sources.

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