The fluid-filled structure in the ear that sends information to the brain about sound is the a. tympanum b. oval window c. stirrup d. cochlea

What is the best definition of viscosity? A. a liquid's resistance to flow B. a liquid's resistance to change state c. a liquid's resistance to mix with other liquids D. a liquid's ability to change color

Our country depends on energy use. Choose one alternative energy source from among wind power, nuclear power, geothermal power, and biomass.

Which of these is a natural wood defect rather than a result of improper storage and conditioning? A) knot B) warp C) split D) stain

If the brown bears' reliance on leaves increased by 14 percent, how would the combined total of all the percentages be affected? it would increase by 14 percent. it would decrease to 86 percent. it would remain at 100 percent.

Which phrase best describes the main function of the stomach? A. contracts to move substances through the body B. provides structure and support C. removes metabolic waste products from the body D. breaks down food to acquire nutrients

What is the name of a complex group of organisms that are connected and interact with one another?

Oceanic crust is composed mainly of basalt. continental crust is composed mainly of granite. why does oceanic crust generally tend to subduct under continental crust when plates collide

What is placebo and why is it used in some experiments

What is organ? a. group of different types of tissue that work together to perform a specific function or related functions. b. group of cells that work together to perform a similar function. c.

The temperate phage lambda can undergo two life cycles depending on the environmental cues. During which cycle does phage lambda form a prophage? Choose one: A. lysogeny B. burst cycle C. lytic cycle D. slow-release cycle