In order for you to see an object, which of these must happen? a) light reflected from the object's surface must enter your eyes. b) the object must have a shadow, for your brain to interpret what it is. c) light must be absorbed by the object and then refracted back to your eyes. d) light travels from the object, back to the light source, and then to your eyes.

A. Light reflected from the object's surface must enter your eyes.

possibly, yes.

explanation:

the amount of sugar you take in is dangerously high, risk of heart disease, high risk of diabetes, and etc.

"hydrogen bonding is the attraction of h atoms in the water molecule (slight + charge) to o atoms in a neighboring water molecule (slight - charge); it is a weak interatomic force. but it is still strong enough to the water molecules "stick" together."