What are the property of metals?
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Answer:
Explanation:
- Metals are usually good conductors of heat and electricity as they have free valence electrons.
- They are usually found in a solid state or room temperature except mercury, gallium and cesium.
- They have high specific gravity ( relative density )
- They have high melting and boiling points except mercury, sodium and potassium.
- They are usually malleable and ductile in nature.
- They have metallic luster.
- They are usually hard in nature except Group IA metals like lithium , sodium and potassium.
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Explanation:
They are electropositive in nature,they are generally malleable and ductile,they are sonorus,i.e.,they produce sounds on striking their surface,they have high density,they have high tensile strength,they have shining surface Hope u understood
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True
False
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It's true, I remember this from grade 8
Answer:
True
Explanation:
Hope this helps :)
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Answer:
B. A walrus stays warm in cold oceans
Explanation:
Lipids are the macromolecules that are stored in adipose tissues and beneath the skin surface. These lipids layer present under skin serve as insulators.
Many organisms found in colder climatic conditions such as walrus of cold oceans have a thick layer of lipids under their skin. This lipid layer is called blubber and keeps the organism warm under cold conditions.
Lipids can be cause for insulation in animals (fat can protect from the cold).
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It would be C. Despositon. I now this because i am the one answering all your questions and trying to help you through this
Deposition, C, AS you are taking away the rocks and positioning them somewhere else. Hope I helped.
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The correct answer is - B. The rock formed in a fast moving stream.
The rocks that have ripples are a relatively easy when it comes to guessing where they formed and under what conditions. The reason for that are the ripples themselves, as they are formed only because of the influence of water or wind, though it is mostly the water.
If we see a rock with ripples, the chances are that that rock has formed in place where it was influenced by water for prolonged period of time. The best guess would be a fast moving stream, as the water will have bigger power, and will be able to have bigger influence on the rock and make its ripples.