ASAPPP HELPPP Oxygen in Earth's early atmosphere was first produced during the Precambrian from
A)
cyanobacteria in Earth's oceans
B)
volcanic activity along plate boundaries
C)
the absorption of sunlight by plants
D)
evaporation of ocean water

Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next