Question 8 (1 point) There is evidence that climates have changed rapidly in the

Question

Question 8 (1 point) There is evidence that climates have changed rapidly in the past and without effects of human activity True False Question 9 (1 point) Minerals are naturally occurring inorganic solids of definite crystal structure and chemical composition and once consolidated form rocks. True False Question 10 (1 point) Radio carbon dating has been used to date materials back to approximately 1.700 billion years ago. This method has been used extensively to study archeology, past climates, and ocean circulation True False Question 11 (1 point) The isotope 14C is stable, and can spontaneously change into other isotopes or elements used for radiometric age dating. True False

Explanation / Answer

Question 8 : false

Question 9 : true

Question 10: false

Question 11: false

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