What type of fossil evidence would be most helpful to a scientist trying to determine how much oxygen was in the atmosphere two million years ago?

A) Ice Cores
B) Tree Rings
C) Carbon Films
D) Trace Fossils

Weights of golden retriever dogs are normally distributed. samples of weights of golden retriever dogs, each of size nequals15, are randomly collected and the sample means are found. is it correct to conclude that the sample means cannot be treated as being from a normal distribution because the sample size is too small? explain.

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

Most crimes involve some evidence relating to the human body; for that reason, what related science is frequently used in forensic investigations? a)psychiatry b)physics c)botany d)biology