Kevin was mugged at gunpoint in the park while walking his dog. He was so overcome with fear that he unconsciously pushed the traumatic experience out of his awareness. Kevin appears to be utilizing what ego defense mechanism

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

How does human environment effect the biosphere

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer