Question 10 of 10 Which model is conceptual?
A. A plastic skeleton that shows all the bones of the body
B. A bar graph that shows how many students buy lunch each day
C. A mental image of types of food organized into a pyramid
D. A graph that uses analyzed data to show the spread of a disease
SUB

Any sound above what db can cause hearing loss in human beings

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.