It expands, increasing in volume. The warmer the water, the more space it takes up, and the lower its density.
The net force on the sledge is 31.64N.
Frictional force = µkR
= 0.269 x 42.2 x 9.81 = 111.36
net force = 143N - 111.36N
= 31.64N
refer brainly.com/question/24557767
#SPJ2
B, because the antacid will dissolve and become something new (something new is created) in the persons' stomach.
<span>The hydrogen atom has one "Electron" and one "Proton"
Hope this helps!</span>