Significant figures<span> tell us how to round, but they also make sure that the answer we get from a math problem is not more precise than the numbers that we started with. </span>
I don't know about the other ones but the sky is blue because molecules move from the sun than the red from the sun. The blue has separated from the sun.
Answer: B) ferns
Algae, liverworts and moss are examples of plants with no
real stems, leaves or roots and are also known as nonvascular plants. Plants
with true roots are known as vascular plants. Vascular plants have real roots, stems and leaves and contain vascular tissues.
The centrioles help in the information of the spindle fibers that separate the chromosomes during cell division.
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Natural springs are not a means of water erosion. Some types of water erosion include rain, streams, rivers, and ocean waves.</span>