Why Does a Glowing Splint of Wood Burn Only Slowly

question 19

Multiple Choice

Why does a glowing splint of wood burn only slowly in air,but rapidly in a burst of flames when placed in pure oxygen?

• A)There is a greater number of collisions between the wood and oxygen molecules.
• B)Oxygen is a flammable gas.
• C)Pure oxygen is able to absorb carbon dioxide at a faster rate.
• D)A glowing wood splint is actually extinguished within pure oxygen because there's no room for the smoke to expand.

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Definitions:

Motor Neurons

Neurons that carry signals from the spinal cord or brain to effectors (muscles or glands) to trigger movement or action.

Patellar Reflex

A knee jerk reflex triggered by tapping the patellar tendon, used to test the neural circuits within the spinal cord.

Effectors

Biological structures that act in response to a signal from the nervous system.

Innervates

Refers to the supply of nerves to a specific body part, enabling sensation and movement.