At the top, due to the fact that POTENTIAL energy is Stored energy.
The answer is A and B
Explanation: the nucleus was viewed as composed of combinations of protons and electrons, the two elementary particles known at the time, but that model presented several experimental and theoretical contradictions.
AND
Protons and neutrons have approximately the same mass, about 1.67 × 10-24 grams.
Answer:Un tren de engranajes es un sistema mecánico formado por el montaje de engranajes en un marco para que los dientes de los engranajes se acoplen.
Explanation:
La relación de los círculos de paso de los engranajes acoplados define la relación de velocidad y la ventaja mecánica del conjunto de engranajes. Un tren de engranajes planetarios proporciona una alta reducción de engranajes en un paquete compacto.
Nature is an amazing world around us is mostly life in general. Is all has to do with humans it’s a part of nature. For the human condition is the key of life it’s how we as humans exists in the world like birth, how we grow, emotions, and even conflict.
I hope this help :)