How we know more about solar system?

What do you need if it's a sunny day? What is used to determine possible offspring? Is Kenya a noun? Why is Mercury hot and dry? What year was the AU established? Which root system would you classify mangroves spreading roots? What does stp s3980 fit? What is the purpose of a gastroduodenostomy? What are Nine types of urine specimens that can be collected? Do Jewish scientists believe in genesis or the big bang theory? What location is 42 north 71 west? When a structure that has evolved in one context becomes co-opted for another purpose this event is called? Convert 2KW to KVA in single phase? A plant continues to grow up there out its life through the use of a process called? How are valence electrons used in ionic bonding? What is it called when roots extend out the ground? What was the name given to towns? Describe tectonic plates and explain how they float on earths surface? What provides a rough indication of variation among scores? What is the kilowatt output of an electric heater that has an ampere draw of 50 a and a voltage source of 208 volts?