Opposite-Charged Ions ____ and Like-Charged Ions ____

question 150

Multiple Choice

Opposite-charged ions ____ and like-charged ions ____.

• A) attract; repel
• B) are permeable; are semipermeable
• C) have sodium; have protein
• D) are positive; are negative

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Definitions:

Autotrophs

Organisms capable of producing their own food from inorganic substances using light or chemical energy, such as plants and some bacteria.

Autotroph

Organisms that produce their own food from inorganic substances using light or chemical energy, such as plants and certain bacteria.

Raw Materials

The basic material from which a product is made, often referring to natural resources or primary agricultural products.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods with carbon dioxide and water, producing oxygen as a byproduct.