Help please fast no bitly

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

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.