Which of the following is a result of natural erosion? a. desert sands b. lost seed germination c. widened valleys d. all of the above

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants. d. selecting individuals at random.

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a. precipitation b. erosion c. migration d. condensation

How will you manage your time to accomplish the necessary tasks both on the job and at home?