Carefully examine the relative positions of the lettered arrows on the timeline below and estimate the ages represented by each arrow. Use the chart to answer this question.
Which represents the oldest known single-celled fossils?
A. A
B. B
C. C
D. D
E. E
F. F
Answer: D
Environmental & Atmospheric Sciences
You might also like to view...
If Bob pushes heavy cart twice as far while applying the same force, he does
A. the same amount of work. B. twice as much work. C. four times as much work. D. not enough information
Environmental & Atmospheric Sciences
If you jump up and down for most of the day, at the end of the day, you'll be slightly
A. taller. B. shorter. C. much the same. D. none of the above
Environmental & Atmospheric Sciences
Discuss large mammals of the Pleistocene. What will be an ideal response?
Environmental & Atmospheric Sciences
A place receives its greatest insolation a few hours after solar noon
a. True b. False Indicate whether the statement is true or false
Environmental & Atmospheric Sciences