Answer:
D.
Explanation:
It's the only choice that has three things that are made out of aluminum.
<em>Hope this helps :)</em>
Answer:
The correct option is 3
Explanation:
An experimental investigation would require an hypothesis, aim, methodology, results, discussion and conclusion.
The third option can be easily answered using the "requirements" above.
The hypothesis (null hypothesis) would be different types of grass do not affect how far a ball rolls
The aim would be to determine the effect of different types of grass on the movement of a ball
The methodology would involve identifying several playing grounds with different grasses and then rolling the ball with a constant force on the different grasses and then determining the eventual speed and distance traveled by the ball on those grasses which would serve as the results. Inferences can then be made from this results and then conclusions drawn subsequently.
C. the basic unit on inheritance
<span>If an electric charge is shaken up and down "A Magnetic field is created"
In short, Your Answer would be Option D
Hope this helps!</span>
