A group of students are researching changes in climate in their region. Which of these would best provide evidence of changes in temperature and rainfall over a period of years?
A B C D
tree rings pollen samples harvest production carbon dating
Question: A group of students are researching changes in climate in their region. Which of these would best provide evidence of changes in temperature and rainfall over a period of years?
(A) tree rings
(B) pollen samples
(C) harvest production
(D) carbon dating

Answer: (A) tree rings
Answer: (D) carbon dating
Question: A group of students are researching changes in climate in their region. Which of these would best provide evidence of changes in temperature and rainfall over a period of years?
(A) tree rings
(B) pollen samples
(C) harvest production
(D) carbon dating
Answer: (A) tree rings