Answer:
D. sodium, nitrogen, oxygen
Explanation:
Let's break up NaNO3 into its separate chemical symbols:
Na, N, O
Na is the symbol for sodium
N is the symbol for nitrogen
O is the symbol oxygen
The answer is c becuse they are not identical
The function of White Blood Cells (WBC) is to defend the body from various infections. They produce antibodies that help detect and fight the presence of foreign elements (say germs) in the body. They strengthen the defense mechanism, thereby improving the immune system of the body against germs
Answer:
frog
Explanation:
frogs live their first part of their lives in water so they need gills but after metamorphosis they live on land so they need lungs.
