PLz help!! WIll MARK BRAINLIEST 2) (Mostly from 4.13, however there are more examples throughout unit 4) What contributions did the scientists discussed in this unit make to our understanding of astronomy and the universe? (for example – Kepler, Copernicus, Hubble)

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88