“Selective” means to pick and choose; “permeable” means objects can pass through something. Do you think cell membranes are “selectively permeable”? Give evidence to support your answer. This is due at 4 p. m.

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block

What happens to the temperature of a substance when the average kinetic energy of its particles increases?