So far, tree rings have yielded the best information about past ...

[luvbio]

So far, tree rings have yielded the best information about past
 A) temperature.
  B) amounts of solar radiation.
  C) precipitation.
  D) humidity.
  E) atmospheric pressure.

Question 2

For specifically studying past climates, this climate clue reaches the furthest back in time
 A) isotopes.
  B) pollen.
  C) tree rings.
  D) glacial features.
  E) fossils.

[dlook33]

Answer to Question 1

C

Answer to Question 2

E

[luvbio]

Thanks for the timely response, appreciate it

[peter]

Gracias!