What is the First-Level activities and give some examples?

What is the name of scientist Nathan Robson? How big is an A4 sheet of paper in pixels? What is the correct order of Reticulocyte proerythroblast normoblast late erythroblast? Why does every decision involve tradeoffs? What kind of habitat that is most likely to be rich in fossils? What is sound intensity measured in? What does the science of human development seek to understand? What can be helpful or harmful depending on point of view for defition? What kind of rocks are diomands? How many miles in 200km? What is patterns of generalizations? What step in the inquiry process includes the data you gather in the things you notice one or more of your five senses? What are striated muscles marked with? What does the atomic number tells you? 175 BeCU 005in dim 12.00 in length what is the resistivity of the wire? What is time period of vibration? Why is a testable question important? What is 6K? Why don't people always make decisions based on scientific findings? You are 27 years old and you weight 80 lbs is that normal?