What is the definition of appearance in science?

How product process matrix helps to measure effectiveness of process flow structure? What is the longitude and latitude of Galveston Tx? Sunlight excites electrons in the chlorophyll during the what? How is the information in before section of the volcanoes page organized? Big Bang theorist believe? How many square miles is lufkin Texas? Which planet take the most time to orbit the sun? Where are all the regions located? What are mushrooms predators? What is the prime mover for shoulder internal rotation? What are all of the nouns and what do they mean? How do you write a factual description on venus? How does concentration gradient effect a fluid's ability to cross a membrane? How many cm is equal to 35 mm? Is it a bad sign if it snows in a place where its not supose to? How do shells get little holes in them? The space above the dura mater? What are the levels of ecological hierarchy? How do you know what traits you have? Which city locate on 113.5 degrees west longitude and 53.5 degrees north latitude?