Why are the models of solar systems that you can purchase in stores not to scale?

If they were to scale, it wouldn't fit on Earth since a lot of planets are much bigger than Earth

electronic measurement tools display data on a screen after waiting for several minutes.

while some business owners prefer manual record keeping systems, most businesses use an electronic record keeping system - making it easier to capture information, generate reports and meet tax and legal reporting requirements.

explanation:

i think that d. wind is the answer.   i missed the question when i answered a. currents.