Red blood cells do not have a nucleus.
It does not consist of a cell membrane or a cytoplasm.
It simply only transports oxygen around the body.
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Answer:
Las montañas generan sombre y brisa, mientras que que en una pradera que es casi llano el calor se acumula en el suelo pero el problema es la de forestación que provoca que las arboles que actuaban como las montañas dañen el entorno secando el fresco y húmedo suelo causando problemas con el ambiente
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Hard water contains mineral ions basically the calcium and magnesium ions.
The presence of hard water often considered a negative thing as it is associated with a number of issues related to plumbing, water storage as well as cleaning and maintenance.
Hard water leads to clogged pipes due to the deposition of ions on the surface of water conducting pipes. This hindrance also degrades the quality of equipment used for water storage and heating e.g. geysers.
The hardness of water can either be temporary or permanent depending on the type of ions present in it. Temporary hard water contains calcium and magnesium ions whereas Permanent hard water contains anions like the sulfate ion.
To learn more about Hard water here
brainly.com/question/26109244
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Answer:
1 = natural, 2 = Natural, 3 = synthetic, 4 = Natural, 5 = Natural, 6 = Natural, 7 = synthetic
Explanation:
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