Nanometers are a really small measurement, one billionth of a meter, I believe.
So nanometers is used to describe tiny stuff, like atoms of a water molecule, and waves of light.
Answer:
Number of trees not marked is 6
Step-by-step explanation:
Base on the scenario been described in the question, we can find the solution in the file attached
Twelve million, three hundred twelve thousand, eighty-seven
the answer is 4 the reason is that the formula is c^2=a^2+b^2,
now if c=2,then 4=a^2+b^2