If I'm growing a plant and I use either chemical fertilizer organic what would be my independent variable dependent variable and control variable

Control- type of plant, sunlight, amount of fertilizer, how much water.

Independent would be type of fertilizer cuz it's what you are changing

Dependent would be how much the plant grows because it's changing based on what you are changing

your answer is "the 1950's"

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.