A student weighs a sample of sugar and records the measurement. He then writes down his observations on the appearance of the sugar, describing it as a white, crystalline solid. Explain why both of these pieces of information represent data that the student collected.

i believe you meant to say air rather than hair so the answer is below ")

the dead sea, the lowest place on earth at 430 metres (1,410 ft) below sea level, has a correspondingly high typical atmospheric pressure of 1065 hpa.

i am going to guess that it is co2.

the planets have a circular orbit around the sun.