Which of the following best describes dark matter? a. the area becomes too concentrated with stars. b. there are large clumps of galaxies. c. it is very large and invisible. d. dark matter can only be detected using light beams.

Where is a cemetery least likely to be found? a large hindu village on a major river a small christian farming village a city with a large jewish population a religiously mixed cosmopolitan city a majority muslim trading center

Alife insurance salesman sells on the average 3 life insurance policies per week. use poisson's law to calculate the probability that in a given week he will sell 2 or more policies but less than 5 policies? i just require an answer.

Among the following environmental factors, which does not have a long-term impact on the composition of a region's soil? a. kinds of crops grown b. types of fungi present c. topography of the landscape d. variety of species of mammals e. number of freezes occurring annually