Chemical bonds.
Chemical bonds hold the atoms of a molecule together thereby forming covalent bonds, when two atoms share electrons.
Answer:
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Answer:
NEUROTRANSMITTER
Explanation:
Imbalances with neurotransmitter results in depression, anxiety and other mood disorders. Examples of neurotransmitters that affects mood are Serotonin, Dopamine, GABA and Norepinephrine.
The Acetylcholine and norepinephrine are known as the excitatory neurotransmitters and the dopamine, serotonin, and GABA are known inhibitory neurotransmitter.
A Neurotransmitter influences behaviour by affecting neurons in a specific portion of the brain.
Answer:
1. a
2. b
Explanation:
I'm sorry I know only these 2 :)
1. Hydropower
2. Solar
3. Coal
4. Oil
5. Biomass
