With water it's the high surface tension property, combined with the fiber construction of paper towels. :)
OK so when I did this the different ones were cell wall and chloroplast
Answer:
Isotonic contractions maintain constant tension in the muscle as the muscle changes length. This can occur only when a muscle's maximal force of contraction exceeds the total load on the muscle. Isotonic muscle contractions can be either concentric (muscle shortens) or eccentric (muscle lengthens).
What kind of force? There are lots of forces acting on the car at this point.
The circumference of earth is 24,901 mi
