My bf won't answer me an it's his b-day an i want to talk to him!!

Maybe he is celebrating his b day

Explanation: Blow up his phone

if you want to talk to him, you should get something he really likes!

Explanation:

if you get something for him, he will most likely start talking to you!

most sediment washes or falls into the river as a result of mass movement and runoff. other sediment eroded from the bottom or sides of the river.

in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.