Why are excursions important?

What is sLub glass? What organ is responsible for village planning and coordinating activities? State the function of the ATM adaptation layer? What body cavities are located posterior to the diaphragm? What plates contain the major continents? Where can a anion be found on the periodic table? What takes longer ice melting or water freezing? Funtion of the ureter? How many pints in 1.9 liters? What is the scenario of weather front that could bring days of rainy weather and clouds? What plant family has 10000 species and is the most important? Thin walled extensions of root epidermis that increase surface area for absorption? How can you tell what Ion is likely form from an element such as Kr? How much would a 100-pound person weigh in jupiter? What can you compare a sinkhole to? What do you think will happen to the heart if any of these part were inured or diseased? How many times did Hurricane Katrina occur? Where could one get the smell of the ocean breeze in a spray bottle? What kind of mountains are one line of evidence for horizontal crustal movement? What are the causes of the increase of AG ratio?

Why are excursions important?