Considering the following code segment:
if ( num < 0) {
alert("it's a negative num.");
}
else {
alert("it's a non-negative num.");
}
what will be displayed if num=0?
it's a positive num.
it's a non-negative num.
it's a zero.
nothing will be displayed.

It's a non-negative num.

Explanation:

As the value of num=0 is given in the input.First it will check "if(num<0)" condition,

here this condition false. Then it will check "else" condition and give an alert as

"It's a non-negative num.".In there is "if-else" condition given, only one of them

will be executed based on their TRUE value.

answer(normalization)

answers

a. nitrogen (n)

d. oxygen (o)

hope it