Is something that is rough chemical or physical?

What is the number of oxygen atoms in the compound FeO? What are requirements for life to exist? What Amount of sunlight in a grassland? What is the weather in Florida in the summer time? What is it called when someone avoids a question or changes the subject all the time? What are the common electrical appliances found in the waiters station? What are the Biochemical tests for identification of zymomonas? You want to see if mold grows faster on bread in the shade than on bread in the sun What if your experimental variable is? What body systems are related to taking in nutrients and expelling them from the body? What are the parts of the onion cell you identified? What is it called when water wears down rocks and carries the peices away? Why is pollination required for fruit production? How can you separate sand water and salt? How do you you find moles when given the mass and volume? What are the 3 biotic factors in the gulf of Mexico? How carbon from the atmosphere enters the human body and generate energy? Why did Mount Tambora located in Indonesia explode? What is another term for classification group? Is it true that after the haiti earthquake the earth speed changed and the axis shifted? How do phages reproduce?