Greg rubs the balloon on his wool sweater, and the charges on the balloon separate so that there are negative areas and positive areas. Which of these statements correctly describes what happens as a result? The thread will bend so that positive charges are far away from negative charges.

The thread will straighten so that positive charges are close to positive charges.

The negative charges in the thread will attract negative charges on the balloon.

The positive charges in the thread will move toward negative charges on the balloon.

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)