<h2>Answer: protons and neutrons.
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The atomic nuclei of almost all elements consist of protons and neutrons.
The nucleus of an atom has very small dimensions. However, it <u>occupies its central part and concentrates more than 99% of its total mass.
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It is in the nucleus that the protons (positive charge) and neutrons (neutral charge) are found.
When your moving at a constant speed with boxes on top of each other in/on the cart and you stop the boxes will fall because 1- gravity, 2- the stop wasn't slow it was abrupt.
Answer:
C
Explanation:
Because you can feel vibrations through solids but not through gases
Eh? i don’t understand huhu