The atomic number reflects how many electrons there are, and there must be an equal charge<span>. therefore, there are the same amount of protons as there are electrons. so if it has 81 protons, we look for number 81 in the </span>periodic<span> table, Thallium</span><span>Thallium is the answer to this
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If animals stop reproduction, there will less variety, fewer food options and they will eat each other. There will be no meat for humans and eventually life will extinct from this planet.
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D. A base substitution in gametes during meiosis
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For a hypothesis to be termed a scientific hypothesis, it has to be something that can be supported or refuted through carefully crafted experimentation or observation. A scientific hypothesis is the initial building block in the scientific method
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A group of closely related organisms that are very similar to each other and are usually capable of interbreeding and producing fertile offspring. The species is the fundamental category of taxonomic classification, ranking below a genus or subgenus. Species names are represented in binomial nomenclature by an uncapitalized Latin adjective or noun following a capitalized genus name, as in Ananas comosus, the pineapple, and Equus caballus, the horse.
2. Logic A class of individuals or objects grouped by virtue of their common attributes and assigned a common name; a division subordinate to a genus.
3. Chemistry A set of atoms, molecules, ions, or other chemical entities that possess the same distinct characteristics with respect to a chemical process or measurement.
