Answer:Ionic and Metallic Bonding. Electron Dot Diagrams. Describe the electron dot diagram system of representing structure. Draw electron dot diagrams for elements. ... We can mark these electrons and indicate what happens to them when an element ... of an atom are shown as dots distributed around the element's symbol.
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The answer is Kastle-Meyer test..
Unicellular organisms excrete waste by a contractile vacuole. A vacuole is membrane-enveloped organelle in a cell that is found in lots of microorganism. It expands, filling with water then contracts, removing all of its contents to the exterior of the cell.
Substance abuse can spread STIs because when a user shares needles with an infected person, it can spread through the blood. Any high-risk behavior like this spreads STIs.
