What is the increasing covalent order of pb3n4 and al203 and c2s3?

Does Automatically updated properties include file system properties? What are the disadvantages of step down transformers? Why do nitrogen life cycle work best when well-aerated? What two things are required for magnets to function properly? The -COOH funtional group? When you see a galaxy 8 billion light-years away you are looking how many years into the past? Is jasper cool? Does DNA have a cell membrane? Is lyme disease caused by spirilla bacteria? Is 32 hg bigger or smaller than 3.2 kg? How many one ounce shots in in a liter of jack Daniels? What is the ph of the urease agar after hydrolysis? Who told King Ptolemy that and ldquoThere is no royal way to learn geometry and? What is being expelled from black holes? What is found in the spleen bone marrow and lymph nodes that fight microbes? Is Antarctica part of Earth's biosphere? How do earthquakes help the environment? Does sunlight exposure effect plant growth? What happens when you have a orgazam? Asexual reproduction requires gametes but not fertilization?