Which type of atomic bond creates minerals that are highly conductive because electrons can move freely?

The lesser saphenous vein runs 

An increase in accident rates following the change to daylight saving time best illustrates the dangers of

Which of the following is a sleep-inducing hormone?

Which statement explains why geologists do not consider sugar to be a mineral?

The following image reflects (select all the correct answers):

Granite forms from the solidification of magma, molten rock beneath the Earth’s surface. Based on this observation, what type of rock is granite?

While reading a novel, Raoul isn’t easily distracted by the sounds of the TV or even by his brother’s loud music. This best illustrates

  Using complete sentences, compare the oceanic crust to the continental crust with respect to age. Include in your answer: which one is usually younger than the other, AND explain why this occurs (that is, what happens to one type of crust that does not happen to the other?)  

Jeanie’s infant turns his head toward a hand placed near his cheek. What does this head-turning behavior exemplify?