What is genitic drift?

How would one get rid of a SEVERE cockroach problem. seriously severe. Very very severe. Without burning the house down? Can flour dissolve in water? What is the loss and gain of electrons to form ions? What is smaller in terms of size than an atom? What is a sentence using the word excitable? What is the influence of likes and dislike of thinking called in science? When you dont get enough oxygen in your blood? What are the smooth objects? How can a scientist test a hypothesis if its impossible to control the experiment? What is the porpose of an outline? Who is the inventor of the modern refrigerator? What are the main categories of staged events? How well does Clorox green works work? How many grams does an averaged sized dog weigh? How tall is 450 feet? Is a eggwhite a lipid a protein or neither? Chemical reactions can be influenced by? What are some 6th grade science projects about plants? What would you do when gathering information during the GEDAPER process? The white dot moves two places anti-clockwise at each stage and the black dot moves one place clockwise at each stage After how many stages will they be together in the same corner?