<u>Answer</u>:
the continents of earth were clustered together in formation that a scientist named Pangaea.
<u>Explanation</u>:
Before 300 million years ago, our earth was not made up of 7 different continent what we have now. Instead it was single huge mass land that was surrounded by a single ocean called Panthalassa. A lot of migration and collision lead to the formation of Pangaea. An Scientist named Albert Wegener gave the name Pangaea. Later, Pangaea was broken into Gondwanaland and Laurasia.These Lands were then divided into 7 continents.
Answer:
Explanation:
a) .0003050 significant figure - 4
b) 432.00 significant figure-5
c) .0000008001 significant figure -4
d) 200608.0 significant figure -7
e) .00001503 significant figure-4
f) 60751.0 significant figure- 6.
zero after decimal are all significant . zero before decimal is significant only when it is preceded by a digit.All digits are significant.
The food darkens because the color is changing in the food.
you get hydrofluoric acid
