What is salvency?

Is it reasonable for a scientific to make an educated guess before conducting any experiments? How many kids in school learn about recycling? What are the rules in giving symbols? Is it true that the egyptians invented the first battery? Why do farmers in the Great Plains grow corn instead of coffee? What is a kilograms basic metric unit? Will flavored water kill a plant? How many wheelbarrows of river sand in 1 cubic meter? Importance of science in everyday life? What is 7.02 degrees celsius in Fahrenheit? What is supernetting explain with example? What kind of scientific investigations involve making observations? What to do if you cant feel your testes? What is a small particle that is a building block of matter? What is an example sentence of posterior? Does insulated keep things cold without an ice pack? How many ml are in 0.78 kl? What are the reasons behind each fabric name? How do you turn kilos to pounds? Why were the Victorians worried about science?