What Is the Main Reason for the Changes That Are

question 4

Multiple Choice

What is the main reason for the changes that are occurring in the Earth's climate?

• A) Large scale deforestation
• B) Disruption of the waste recycling by decomposers
• C) Over harvesting of wild species for consumptive value
• D) Drainage of wetlands producing a disruption of water purification
• E) An increase in soil erosion leading to siltation of rivers and estuaries

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Definitions:

Sodium Channels

Protein channels located in cell membranes that allow the passage of sodium ions in and out of the cell, playing a crucial role in generating electrical signals in neurons and muscle cells.

Motor End Plate

A region of muscle fiber membrane that receives signals from nerves, triggering muscle contraction.

Presynaptic Membrane

The part of the nerve cell that is situated at the synapse and releases neurotransmitters in response to a nerve impulse.

Motor Neuron

A motor neuron is a nerve cell that initiates and transmits a signal to a muscle or gland to trigger a response.