What happens when the tiny embryos are expelled?

What will be an ideal response?


They crawl up the dam's abdomen in search of a nipple. Once they find a nipple, they attach and the nipple swells to secure the pup. Several pups will die if they don't find or attach to a nipple.

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__________ cutting is done by rotating a tool base so the spinning blade cuts into the material.

Fill in the blank(s) with the appropriate word(s).

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Salamanders belong to the subphylum Amphibia

Indicate whether the statement is true or false

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An air-to-water heat pump is typically used for:

A) Domestic hot water heating. B) House heating. C) Industrial process heating. D) Both house and domestic hot water heating.

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The safety cap should always be in place when moving oxygen cylinders because:

A) If the valve were to break off, the cylinder would fly through the air. B) The safety cap prevents cylinder overpressurization. C) The safety cap provides a good place to connect a hook for lifting the cylinder. D) The safety cap prevents oxygen from leaking out.

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