Which changes in light as it travels through two media of different densities? A. frequency
B. energy
C. speed
D. Wavelength

Here is a quote from an npr news article: “on average, working-age adults were eating about 78 fewer calories per day in 2010, compared with five years earlier. the new report is based on data from the national health and nutrition examination survey, which collects details on eating habits and other health-related information from a nationally representative sample of about 10,000 people in the u.s.” which of the following is true about the numerical value 78? a. it is an anecdote. b. it is a parameter. c. it is a simulation. d. it is a statistic.

Want free points + brainliest? answer this drived ed question correctly and i got you ! rural areas are with long stretches of roads. a. densely populated b. sparsely populated c. free of law enforcement d. busy places

Problem 1: given: 14 coulombs of charge flow in an electrical circuit. the charge is pushed by a voltage difference if 8 volts. a) calculate the amount of work done in volt. coulombs. b.) calculate the work done in joules.