Which element is a liquid at 25c?

What are the importances of dividing the abdominal area into quadrants and subdivision? What is afficiecy? What is the taxonomy of the death cap mushroom? Is landforms one word or two? How many ma's are in one volt? How many times would a cell be magnified if you viewed it through the low power lens? What does the codon sequence on the mRNA strand determine? Is nitrogen metal non- metal metalloid or noble gas? Can a magnet stop an electric current? How can bacteria develop an immunity to antibiotics? What wraps the body in a physical barrier? What does the name Amber mean other than fossilized tree sap? What is the function of water jet of a squid? Does thorium conduct well? What organelles are found in cells? When a GFCI senses a fault the ground-fault current can originate from what either the hot or neutral wire on the line side of the GFCI either the hot or neutral wire on the load side of the GFCI? Why does the east have a bearing of 90 degrees? What are the disadvantages of living in a plain? How do you identify restriction enzyme? Is Water easily polluted because it can dissolve harmful chemicals?