<u>Answer:</u>
All living things are not made of cells.
Answer:
a. 4 sig figs
b. 3 sig figs
c. 2 sig figs
Answer : The correct option is (c) 
Explanation :
The given balanced chemical reaction is,
From the balanced chemical reaction, we conclude that
As, 3 moles of 
react to give 2 mole of 
So, 1 mole of react to give moles of
Thus, the conversion factor needed to convert the number of moles of to the number of moles of produced is
Hence, the correct option is (c)
Answer:
C.
Explanation:
The sun is directly overhead at noon on the equator on the first day of spring, and on the first day of fall. You would have to be less than 23.5 degrees above or below the equator to have the Sun pass directly overhead. Therefore, it never occurs in the continental US.
All of the above will be affected by air resistance, but the most obvious will be the balloon or leaf.
Hope it helps somewhat!
