It is B. secod try i know its dumb but im trying to cheer myself up
Hey there <span>kristenklimasz!
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Question:
<span>Dinosaurs emerged during what time period?
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Answer:
Dinosaurs lived between 230 and 65 million years ago during that time it was called Mesozoic Era this was way before the first homo sapiens appeared there is 3 periods in the Mesozoic Era. Triassic, Jurassic, and Cretaceous
So your answer is
<span>C) Mesozoic Era
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Hope this helps!
-Jayden
H atoms=4
S=2
O=8
Bcz it H2SO4 is multiplied with 2 therefore no. Of atoms will be multiplied by 2
Well, basically both Cheryl and Keaton is right.
matter is described as Physical substance that possessed space and mass.
But the thing is, one matter is very small in size and cannot be seen with naked eyes. But everything around us are made by matters
hope this helps
Answer: Elements in the same period have the same number of electron shells; moving across a period ( elements gain electrons and protons and become less metallic. This arrangement reflects the periodic recurrence of similar properties as the atomic number increases.