This is just a different term for a seismograph (earthquakes) .
Answer:
Economic activities - The activity of making, providing, purchasing, or selling goods or services.
Commercial activities - An activity intended for exchange in the market to earn an economic profit.
It is false because it has changed over the years.
From the cornea, the light passes through the pupil. The iris, or the colored part of your eye, controls the amount of light passing through. From there, it then hits the lens. This is the clear structure inside the eye that focuses light rays onto the retina.
