What is the earliest possible time/date of Professor Kline's death?Here is the assignment: http://www. mysciteacher. com/wp-content/uploads/2018/08/Lab- CSI-A-Case-of-Deductive-Reasoning. pdf

Can someone me with this and tell me what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation

I’m stuck on this question cuz i’m stupid sksksksk