Answer:
A.) NO₃⁻
Explanation:
NO₃⁻ = nitrate
NO₂⁻ = nitrite
NH₃ = ammonia
N₂ = nitrogen (nitrogen naturally exists as a diatomic molecule)
Answer:
metal control uses neurons which are in form of electrical impulses while in hormonal control, hormones are used and they are in the form of proteins. Neural control has a wide range of effect in the body while as for hormonal control, it only affects a specific area depending on the hormone secreted
The number of neutrons in a helium atom is TWO (2).
- Helium (He) is the second chemical element in the periodic table.
- Helium consists of two (2) protons and two (2) neutrons in its atomic nucleus.
- In consequence, the atomic number of helium is equal to two (2).
- The Sun contains approximately 25% He, which is generated by solar fusion.
In conclusion, the number of neutrons in a helium atom is TWO (2).
Learn more about helium here:
brainly.com/question/5596460
Answer:
Energy that is not used in an ecosystem is eventually lost as heat. Energy and nutrients are passed around through the food chain, when one organism eats another organism. In each case, energy is passed on from one trophic level to the next trophic level and each time some energy is lost as heat into the environment.
Explanation:
Answer: 43.83 of nacl are required to make 500.0 ml of a 1.500 m solution
Explanation:
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