PayScale.com indicated that the middle-half salary range for tutors employed by major tutoring providers in May 2011 was between $10.10 and $17.50 per hour. These services screen and train tutors for you, and may even offer you a money back guarantee if your child's grades don't improve.
Definition of 'limiting factor'. limiting factor in American. an environmental factor that limits the growth or activities of an organism or that restricts the size of a population or its geographical range.
Two density-independent limiting factors include temperature and weather. These two factors do not rely on the size or density of a certain population. They affect all organisms (in a population) equally.f the population density in the ecosystem were to increase, competition over these cacti would increase, making this a density-dependent limiting factor. Only a certain density of Cactus Wren can be supported in an ecosystem. Another example of a density-dependent limiting factor is disease.