The atomic number of an element is the number of protons in the nucleus of an atom of that element.
Atoms with the same number of protons, but a different number of neutrons are called isotopes.
Answer:You will be doing many laboratory activities which require the use of potentially hazardous bacteria and chemicals.
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Answer:A través de la fotosintesis
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Those individuals survive which are the best ones and are adapted to their environment. Their survival is due to the possession Of adaptations.
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Those organisms which are survive in the harsh environment, it is mainly due to some adaptations which helps them to survive in an environmental condition which are not suitable for them and those organisms are removed from the environment which have no adaptations capabilities.