a 1.20 l weather balloon on the ground has a temperature of 25.0°c and is at atmospheric pressure (1.00 atm). when it rises to an elevation where the pressure is 0.720 atm, then the new volume is 1.80 l. what is the temperature (in °c) of the air at this elevation?

The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.

Ineed so much with both of these tot

28. the new systematic nomenclature was so ( that many chemists preferred to ( the older trivial names that were at least shorter. at least, that is the ostensible reason. actually, tradition seems to carry more weight than ( with some scientists.