What is polar covalend?

What fills shallow ocean trenches? How many miles per hour to reach a 6 minute 30 second mile? What is special about Venus? Which phrase describes what happens to atoms in a chemical reaction a. sometimes lost never rearranged b. sometimes lost gained or rearranged c. never lost or gained just rearranged d. lost or gained? What is the other name for fight or flight response? Is green tree agate igneous metamorphic or sedimentary rock? Which enzyme will break down starch into smaller monosaccharide molecules? Could you drink aqua regia? Neutral atom with 53 protons in its nucleus would have how many electrons orbiting the nucleus? Which Photochemical reactions proceed only under the influence of light are called? Is iridium a inorganic element? How does snow turn into sleet and then freezing rain? Which of these encourages businesses to be efficients in their use of resources? Why is Washington's motto Alki? What country is located south of the Arctic Circle in the North Atlantic Ocean? When plotting a map which comes first latitude or longitude? When was the indira point submerged in the sea water? How can a tsunami strike the west coast when the quake is thousands of miles away? Is plastic cool? Zoology course in Malaysia?