Maybe it's the concentration of water in your blood would increase (c)
Answer:
during the Cambrian Period of the Paleozoic Era.
Explanation:
The Paleozoic is the earliest era (of three) of the Phanerozoic Eon and is composed of six geologic periods: the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian (in that order from earliest to the latest). Fish first appeared about 530 million years ago during the Cambrian explosion.
Answer:
B
Explanation:
because the sandpaper is rougher than the flat table.
Answer:
W = Animal
X = Bacteria
Y = Protist
Z = Plant
(may or may not be right btw)
C 1650 Because you have to factor in the difference of BC and AD. you must get 1200 BC to 0 first, and then go to 450, therefore getting 1650
