V. orval watts in his introduction states that the "northwood idea" is based on which of the following ideas:

a. the judeo-christian ethic and its emphasis on personal responsibility
b. the importance of work as a means for maintaining physical and spiritual health
c. progress depends on freedom
d. all of the above

Aferris wheel is a vertical, circular amusement ride with radius 9 m. riders sit on seats that swivel to remain horizontal. the ferris wheel rotates at a constant rate, going around once in 9 s. consider a rider whose mass is 56 kg. at the bottom of the ride, what is the perpendicular component of the rate of change of the rider's momentum? at the bottom of the ride, what is the vector force exerted by the seat on the rider?

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

Carbon 14 is a naturally occurring stable