The correct answer for this question is this one: "<span>d.Statements I and II only."
The code fragment "</span><span>int result = obj.calculate(4, 3.14);" shows that the method calculate is a public one and it is located in a SomeClass that is also public. In this way, the method is easier to access through a certain object.</span>
Answer: in a net force acting forward on the balloon thrust.The balloon flies forward under the influence of the thrust, and the air coming out of the back of the balloon is the equal and opposite reaction to the thrust. same goes for a rocket
