Answer: Potassium
Explanation: Potassium is the chemical element with 19 electrons, 19 protons and 20 neutrons.
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Oxygen is 21% and nitrogen is 78% so combined is 99%
Well definitely a scientist
Answer:
C. glaciers
Explanation:
Glaciers are a part of the hydrosphere
The hydrosphere is the amount of water on the earth. It includes water in the different states found on the earth surface and within the subsurface. Water does exists as solids, liquids and in vapor form on earth.
- Glacier is the solid form of water on the earth crust.
- It is a significant part of the hydrosphere.
- Most glaciers are found around the polar regions and high altitude zones on the earth.
- It is an important source of fresh water for the ecosystem
Answer:
Nature versus nurture is a long-standing debate in biology about the balance between two competing factors which determine fate: environment and genetics. The alliterative expression "nature and nurture"
