] We can demonstrate an exothermic reaction by adding calcium chloride crystals to water. Which
following would we most likely expect to observe in this reaction?
A The solution would change color.
B The temperature of the solution would incrase.
C The temperature of the solution would decrease.
D The solution would very quickly evaporate into a gas.

In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.