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When populations have differences in rituals or behaviors. When populations are separated by rivers, mountains, r bodies of water.
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<em>Answer: From 1990 to 2019, the total warming effect from greenhouse gases added by humans to the Earth's atmosphere increased by 45 percent. The warming effect associated with carbon dioxide alone increased by 36 percent.</em>
Answer:carbon,hydrogen, nitrogen, oxygen, phosphorus, sulphur
Explanation:living things are characteristized by hierarchy in their organisation.macromolecules are made up of elements each with it's unique chemical bonds.
Within the cell, macromolecules are found in organelles ,which form the cells.the cells combines into tissues,which combines into organs .organs systems consists of similar functional organs.
living things commonly contains carbon, hydrogen, nitrogen,oxygen, phosphorus and sulphur.
(Mnemonic---CHNOPS)
Answer:
Compound.
Explanation:
If a molecule consists of 2 or more elements its a compound.