Matter is not created or destroyed at any time or place, it only changed from one form to another.
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C Because the fact That best adapted animals in a population survive is part of natural selection
1- 4 Na + O2 —> 2 Na2O
2 - 4H2 +2O2 —-> 4H2O
3- Na2SO4 + CaCl2 —> CaSO4 + 2NaCl
4- 2Al2O3–> 4Al+ 3O2
5- N2 +3 H2–> 2 NH3
6- 3Fe +4 H20–> Fe3O4 + 4H2
I’m having trouble reading the last ones .
Answer:
D
Explanation:
the organism belongs to kingdom protoctista it is called amoeba
the characteristics stated in d are those of members of kingdom protoctista.