What molality of solution is required to dissolve 1175 g KNO 3 to produce a 2.25 Kg water?

Organisms are classified, or grouped into categories, based on similarities in their characteristics and/or evolutionary relationships. the study of how organisms are classified is known as

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems