Answer:
Here are some cool ideas that you could do
-Zero fuel aircraft
-Advanced Space Propulsion Technologies
-Smart Automation and Blockchain
These are some things I've been working on for a few years lol, maybe you will have more luck
Answer:
Context
Explanation:
It is of great value for an engineer to keep the context of his/her experiment in mind.
Answer:
5,4,1, this is a explication
The air leaving through the balloon's mouth pulls the balloon in the same direction as the exiting air, so the balloon experiences a net force. All air surrounding the balloon pushes the balloon forward.