We use  to combine the result set of two or more SELECT statements

Which JOIN returns ...

(match the appropriate)

What is a JOIN in a relational DBMS?

What does the story say fission is important to the process of nuclear thermal propulsion?

What related technology does the story say NASA is also planning to develop for future space activities?

According to Nelson …

How does the story say nuclear thermal propulsion can improve rocket performance?

What does the story say DARPA is partly responsible for helping begin?

TASK 1.1. NASA TO WORK WITH MILITARY AGENCY ON NUCLEAR ROCKET TEST FLIGHT. - MATCH THE WORDS AND PHRASES WITH THE DEFINITIONS.

NASA TO WORK WITH MILITARY AGENCY ON NUCLEAR ROCKET TEST FLIGHT.