An iron object is plated with a coating of nickel to protect against corrosion. complete the sentences to explain whether the nickel protects iron by cathodic protection. match the words in the left column to the appropriate blanks in the sentences on the right.

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.

The velocity of a car traveling in a straight line increases from 0 meters/second to 30meters/second in 8 seconds. what is the average acceleration of the car?