If a horticulturist breeding gardenias succeeds in having a single plant with a particularly desirable set of traits, which of the following would be her most probable and efficient route to establishing a line of such plants?
a) backtrack through her previous experiments to obtain another plant with the same traits. b) breed this plant with another plant with much weaker traitsc) clone the plant. d) force the plant to self-pollinate to obtain an identical one.

C -Clone the plant

Explanation:

Having a single plant, a hortuculturist will choose  an efficient route to replicate the traits he requires.Therefore, If a horticulturist breeding gardenia were to chose an option he  would most probably use Cloning.Cloning is the method that permits  propagation of large numbers of plants with a particularly desirable set of traits.When plants are propagated, it means that they're produced in large numbers in order to establishing a line of such plants.

i think that you are smart and you should fit for it out

c. earths continental crust is thicker than its lithosphere.

because, the lithosphere is the outermost layer of the earth/ 100 km thick and is defined by its machanical properties.the lithosphere contains oceanic and continental crust that varies in age and thickness across locations and geologic time. the lithosphere is the coolest layer of the earth in terms of temperature. the term lithosphere should not be confused with the use of "geosphere" which is used to indicate all of earth systems, including the atmosphere, hydrosphere   and biosphere. the surface of the earth can be divided into the continental crust and the oceanic crust.   the continental crust is made mostly of granite while the oceanic crust is made of basalt. the average thickness of the continental crust is 25 miles and the average thickness of the oceanic crust is 5 miles.   three types of rock, igneous, sedimentary, and metamorphic, make up the surface of the earth. that's why 3 option is preferable.