What is the tieref?

What object is defined using a directrix and a focus? How much does 1 cord of hardwood weigh? What is competition in science definition? How is bts commissioning be done? Can the frequency 528 Hz really repair human DNA as some scientists say? What is a sore throat sweet used for? Only the positive things about nuclear energy? What is the pourpose of the science method? Does your data support your hypothesis? Have acupoints been proven? How does heat effect rotting? What is the naming system developed by Carl Linnaeus that scientists use to name an organism? What is the condition cold lends pertal what is Henry's laws stage that at the given temperature the soluiblity of the gas is directly proportional the percial pressure of the gas? What can you recycle at school and at home? Is bottle gourd a complete flower? For what purpose is lab testing mostly used for? What is it when you repeat your experiment? Can be perform the experiment without the factory made apparatus and equipment illustrate? What is a mobile unmanned vehicle that is used to explore the surface of another planet? Why do 6 graders need to know about science?