Observe the net above (srry i cant show the picture). It is made out of a strong, man-made nylon cord. It is tough and long-lasting because it is made from a type of polymer. What does this mean? a. there are cubic molecules throughout the cord
b. there are chains of repeating molecules throughout the cord
c. there are only 4 elements in this cord that will give it strength
d. there are many heterogeneous mixture in this cord that make it stronger

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

Plz mark brainliest 30 points1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s.2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?