Which of the following is a comparison operator for inserting a not equal to argument in an if, countif or sumif function?.

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.

Acontinuous random variable assigns a whole number to each possible outcome of an experiment.

In at least 150 words, discuss the author’s choice of setting. how does it impact the themes and the progression of the plot? the story is "through the tunnel"