Which of the following is a property of metals?
a. ductility
c. conductivity
b. malleability
d. all of the above are properties of metals

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory

When did stem cell research become known ? who discovered stem cell? what experiments or studies have been conducted so far?

Problem page a jet airplane reaches 846. km/h on a certain flight. what distance does it cover in 13.0 min? set the math up. but don't do any of it. just leave your answer as a math expression. also, be sure your answer includes all the correct unit symbols.