Answer:
Without the process of cell differentiation, multicellular organisms would not be possible.
alright, sum leaves have large air pockets inside that allow the plant to absorb oxygen from the water from rain or puddles
Answer:
and
.
Explanation:
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In this case, according to the described chemical reaction between sodium carbonate and tin nitrate, we can write the undergoing chemical reaction:

Thus, we notice that the products are strontium carbonate and sodium nitrate, whose formulas are
and
respectively.
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2HCl + Ca(OH)2 = CaCl2 + 2H20
Before balancing on the left side there was 1 chlorine (Cl) atom, 2 oxygen (O) atom, 2 hydrogens (H) atoms and 1 calcium (Ca) atom. In the right side, there was 2 chlorine (Cl) atoms, 1 oxygen (O) atom, 2 hydrogens (H) atoms and 1 calcium (Ca) atom.
To balance the chemical equation we hat to place a coefficient of 2 in front of HCl, and coefficient 2 of in front of H2O.