True or False: All metals have high melting points.

Si una estrella no tiene paralaje medible, ¿qué puedes inferir?

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here