Answer : If any atom has more electrons than one energy level can hold, then automatically the electron is accommodated in the next energy level (shell). The remaining extra electrons starts to fill the next energy level. This produces the valency of that particular atom.
Animals need oxygen to produce energy for their bodies. The living parts of<span> an </span>ecosystem are animals<span>, plants, </span>fungi<span>, protists, and bacteria. These organisms make up the BIOTIC factors of an </span>ecosystem<span>. </span>Ecosystems<span> are made up of biotic and abiotic components.
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Answer:
Hypothesis---experiments----results----conclusion.
Explanation:
First we make a hypothesis means a statement about why the tree looks unhealthy. In this segment of scientific method we have to test the hypothesis through experimentation. After that we have to take the readings of various parts of the tree and analyze the data to find out the problem. In the next step, we have to made the results on the basis of the data that is obtained. In the last we have to write the conclusion of the analysis and see the hypothesis.
Answer:
The shutting down of schools across the U.S is essential because although most children do not appear to suffer much when they contract the virus they can still spread it. Adults can be given instructions on how to prevent person-to-person transmission, and can be relied upon to follow those instructions to varying degrees, but it’s almost impossible to get children, especially younger ones, to do so.
Explanation:
Answer:
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Explanation:
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