What is a polydectil?

What are five landform features formed by magma? How do you convert mass into weight? How far is 20000 leagues in metric? Which layer of the earth has the greatest pressure? Does proteus vulgaris produce h2s? What are metarcels? What is 1345 in scientific notation? Is wood more dense the gold? Is true or false that the crystals in each mineral are the same shape? Why do people like to pop bubble wrap? What unit of measurement is used to measure the circumference of tree trunks? What happens if experimental results do not support a hypothesis? What is the scientific notation for 0.00000923? When two or more waves arrive at the same place at the same time what do they do? What is a good sentence for infer? How is plants growing in cracks biological weathering? What is the breathing method of a fish? Information gathered by someone who did not take part in or witness an event? What is the chemical symbol for ruthenium? What are 2 uncommon materials that are magnetic?