Scientists studying the thick saliva of frogs have found that it becomes thinner when it hits an insect and engulfs the bug. researchers hope to create a substance like the saliva that can be used to quickly pick up tiny, delicate parts from conveyor belts. this is an example of:

Applied Science

Explanation:

Applied science seek to develop practical applications like technology and invention from scientific knowledge. Applied science is simply applying the basic science towards a useful endeavor through developing technology and innovation. Examples of applied sciences include medical sciences like medical microbiology and genetic epidemiology, fluid mechanics, dynamics, kinematics, earth sciences, engineering physics and statistic.

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

your answer is going to be physical weathering