A scientific theory is a validated explanation of some aspect of the natural world, based on multiple facts that have been frequently verified through research and experimentation. Fact theories are not "guesses" but reliable accounts of the real world.
<span>"How many rectangles can u make with 20 cubes"
The answer is 4</span>
Answer:
4. (d, the last one)
5. (a, the first one)
Step-by-step explanation: