HELP WILL GIVE BRAINLIEST A boat has a displacement of 4 km.

If north is taken as the positive direction, which option correctly describes the displacement of the boat?

A. The boat is south of its starting position.
B. The boat is north of its starting position but is moving toward the south.
C. The boat is south of its starting position but is moving toward the north.
D. The boat is north of its starting position.

Explain the difference between each pair of concepts. a. frequency and relative frequency b. percentage and relative frequency a. select the correct choice below. a. frequency is the total number of observations in a data set. relative frequency is the number of times a particular distinct value occurs. b. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of a value to the total number of observations. c. frequency is the total number of observations in a data set. relative frequency is the ratio of the number of times a particular distinct value occurs to the frequency. d. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of two different values.

Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity

What happens to an isotope during radioactive decay?