Fontanels Are

question 13

Multiple Choice

Fontanels are .

• A) conical projections on a fetal skull
• B) fibrous membranes in a fetal skull
• C) rings of bone in a fetal skull
• D) bones encased in cartilage

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Definitions:

Nitrogen Fixation

Nitrogen fixation is a process by which nitrogen gas from the atmosphere is converted into ammonia or related nitrogenous compounds in soil, making nitrogen accessible to living organisms.

Ammonia

A colorless gas with a pungent smell, consisting of nitrogen and hydrogen (NH3), used in various industrial processes and as a fertilizer.

Carbon Transfer

The movement of carbon among the Earth's atmosphere, oceans, biosphere, and geosphere, part of the global carbon cycle.

Cellular Respiration

The process by which cells convert glucose and oxygen into ATP (energy), releasing carbon dioxide and water as byproducts.