-This Is a Photo of a Hardy Perennial Grass That

question 59

Multiple Choice

-This is a photo of a hardy perennial grass that can be grown just to produce ethanol to replace some of the gasoline used to fuel automobiles.Unlike using corn grains to produce ethanol,the use of this grass to produce ethanol requires

• A)more fossil fuels than it currently saves.
• B)additional fertilizers and irrigation.
• C)prime soil that would otherwise be used to grow food crops.
• D)enzymes that break down cellulose to produce sugars.

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Definitions:

Trabeculae

Beam-like structures of compact bone, providing structural support and strength within various bones.

Haversian Canals

Microscopic tubes in bone that contain blood vessels and nerves.

Perforating Canals

Perforating canals, also known as Volkmann's canals, are channels within compact bone that allow blood vessels, lymph vessels, and nerves to travel across bone, connecting with Haversian canals.

Lamellar Canals

Small channels found in bone tissue that contain blood vessels and nerves, part of the bone's nutrient delivery system.