What substance was responsible for a major ozone depletion in the 1900s?

Sarah is sitting at the top of the slide in the schools playground. which will increase sarah’s kinetic energy a- an additional child is added to the top of the slide. b- sarah is pushed and moves down the slide. c- sarah climbs down the ladder and off the slide. d- the ladder is moved to the other side of the yard.

Answer now! good pts and a brainliest potatoes are what im like a potatoe irdk have a good day

During binary fission, what events must occur before the cell splits into two new cells?