"The Silurian is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at 443.8 million years ago, to the beginning of the Devonian Period, 419.2 Mya.<span> <span>Wikipedia."
https://www.google.com/search?q=He+Silurian+period+occurred&rlz=1C1RUCY_enUS760US760&oq=He+Silurian+...
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Answer: It was made from the stars and of debre
Explanation:
Answer:
For the ones that say use calculator try it. Just pop it in and you get your answer :D
Explanation:
rounding
a. 6.54 = 6.5
if the number is 5 or above round up and drop the numbers to the right of it
if its 4 or under drop the numbers to the right of it
in this case your tenth place is 5 so you drop the four.
follow this formula for the rest
Answer:
I will explain.
Explanation:
Lava comes in two primary appearances: Pahoehoe and aa. The reason why they have two different types of appearances is because the older aa in the photo has weathered and the iron in it has oxided somewhat, giving it a reddish and chunky appearance. It also moves fast. Pahoehoe has a flow that is comparatively smooth or a "ropy" surface. Pahoehoe doesn't have the chunky appearance.
