Ion channels are membrane proteins that produce pores in the membrane and permit ions to pass through the pore. Two main types of ion channels resent on neurons are as follows: Ligand gated and voltage gates ion channels.
Ligand-gated ion channels open or close in response to the binding of ligands to the channel, whereas voltage-gated ion channels, open or close in response to the voltage gradient across the plasma membrane.
Ion channels in neurons are gated pores whose opening and closure are often controlled by ligands or voltage.
Dendrites and the cell body of the neuron consist of chemically-gated channels and for the most part, Voltage-gated channels are present at the nodes of Ranvier in myelinated axons, in unmyelinated axons, and on the axon hillock.
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B. Gradualism
"Gradualism is an evolutionary model that refers to the tiny variations in an organism or in society that happen over time to make a better fit for animals and humans in their environment. These variations allow them to survive and thrive, resulting in the slow and consistent process of change in the whole population."
The combustion of the carbon results in the generation of the carbon dioxide and the carbon monoxides. Other than this, the reaction of the carbon compounds also causes the release of methane. The reaction of the carbon with various substances also result in the formation of CFCs (Chlorofluorocarbons)
All the mentioned gases are well known green house gases. All the green house gases traps the heat in the earth's atmosphere and cause global warming.
Answer: A (physical property)
Explanation:
It says they both had clear liquids in each cup and since ice floats on water the only option that makes sense is A. There were no chemical, magnetic, or temperature tests made.
