D. single- and simple multi-celled organisms
Although more complex animals like invertebrates and multi-celled organisms began to appear, it was very late compared to the original, simpler organisms for which the Precambrian time is characterized by.
I believe the answer is tribunal
<span>trucks drive on them while they are frozen...</span>
~Hello there! ^_^
Your question: A light-year equals?
Your answer: A light-year equals 9.4607 ` 1012km.
The answer is option A.
Hope this helps~
Answer:
Through dating layers of volcanic rock above and below the stratum containing the fossil, she will conclude the fossil age.