What is xtercy?

What is photocooperation? Describe the internal environment of an egg? What altered states does your culture accept? Measuring the distance to a planet would probably require the use of what type of measurement? What is 103 kilometers converted into miles? What did people use before the battery was invented? How do you opreate a fire extinguisher? What are some positive and negative things about ultraviolet light? What does 82 mm transfer to inches? When a frog jumps off a leaf is that force a reaction force? Relative humidity is always expressed? How do you put 4500000m in scientific notation? What happens to air pressure when water vapor increases? In which type of rock are fossils least likely to occur? When was seaborgium discovered? What are all the things we wouldn't have if we didn't have science? Does science help us with any sicknesses? In depth perception familiar size height in field of view and shading are examples of .? How many miles in 1100 meters? How many kilograms is 19620 Newton?