The porcupine is a rodent with an unusual trait. Porcupines have sharp spines or quills that help protect it against its predators. This trait is different from other rodents because of its needle like quills. This animal is also similar to that of a hedgehogs.
Why is your question in Biology section, it should be in mathematics or in physics but that's OK
The answer of A is - 21.6666666666 or 21.7
The answer of B is - 21.6666666666 or 21.7
the answer of A and B are equal because speed and velocity is the same thing
Number 13 is C
Number 14 is C
Number 15 is B
Sub and super
Pre and post
Bene and mal
