I think it’s a if I am not mistaken
The number of protons must differ between the atoms of 2 different elements, basically the atomic number, the numbers for which the periodic table is organized as.
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Answer:
Birds have light-weight bones, wings, and feathers that are hollow that allow them to fly. The type and shape of their beaks help them to fulfill their duties in the environment.
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Answer:
True
Explanation:
Acid rain is a type of acid deposition, which can appear in many forms. Wet deposition is rain, sleet, snow, or fog that has become more acidic than normal. Dry deposition is another form of acid deposition, and this is when gases and dust particles become acidic.