What type of graph shows changes over time

Gettysburg address question what do you notice about the length of this address? why do you think lincoln made it so short?

Nami conducts an investigation on plants. she places a grow light on a timer to give the plants different amounts of light to see if this would affect their growth. in this investigation, the amount of light is the .

Why did the united states want to remain neutral and how did it become involved in world war ii?