Steam That Issues from a Pressure Cooker

question 64

Multiple Choice

Steam that issues from a pressure cooker

• A)is invisible.
• B)cools as it expands.
• C)both of these
• D)neither of these

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Definitions:

Chemosynthetic Bacteria

Microorganisms that obtain energy by converting inorganic molecules to organic matter, independent of sunlight.

Autotrophs

Organisms that produce their own food from inorganic substances, like carbon dioxide and water, typically through photosynthesis.

Heterotrophs

Organisms that obtain energy by consuming other living things, unable to synthesize their own food.

Peptidoglycan

A complex polymer found in the cell walls of bacteria that provides structural support and protection.