What is direct dating in biology?

A different scaffold that weighs 300 N supports two painters one weighing 250 N and the other weighing 300 N the reading on the left scale is 400 N what should be the reading on the right scale be? What insects make dirt castings on garden and lawn surfaces? The main difference between meiosis I and meiosis ii is that what in meiosis ii? What is produced during the replacement reaction of Cu(NO3)2 and Zn? Is evolution of gas upon boiling water with magnesium strips a chemical change? What were Michael Faraday's hobbies? Why do scientist think gullies where not made by volcanoes because? 3 compounds living things are made up of? Which of the following is not a renewable resources soil forest or coal? What is the correct order of earth six convection cells? Why would scientific investigations lead to new investigations? Can a covalent bond have both equal and unequal sharing? What is the alternate term for the gametophyte in angiosperms? What are Ares enemies? What are the four functions performed by retailers? What ideas came from Marie Curie's discovery? How many years ago did the big explosion occur? What gas should you use to weld cuni apart from argon? Life in Earth and biosphere is limited by all of the following? Why purity is important in pharmaceutical analysis?