Typhoid fever is caused by bacteria in contaminated food or drink. in 1903, an outbreak of typhoid fever in ithaca, new york, killed almost 80 people. in addition, more than 1,000 ithaca residents became sick with the disease. the population shares the public water source. which type of limiting factor was involved in the typhoid outbreak that occurred in ithaca? density-independent factor density-dependent factor population-dependent factor population-independent factor

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

How many chromosomes are in a human gamete?

Which of the following is true about the introduction of a non-native species to an environment? (a) they usually adapt quickly so they can have a positive affect on the environment. (b) they can disrupt the environment and cause much damage and devastation to native species. (c) they usually become predators in a food chain and to keep prey populations under control. (d) because the native species are better-adapted to the environment, the non-native species always end up dying out.