________ water is a slowly exchanging pool, and once it becomes polluted it is difficult to clean up

Fill in the blank(s) with correct word


Ground

Biology & Microbiology

You might also like to view...

As DNA is always double-stranded, RNA is always single-stranded

Indicate whether this statement is true or false.

Biology & Microbiology

Which of the following represents an early

stage in primary succession? a. pine trees b. moss and lichens on bare rock c. weedy annual plants in an open field d. climax species in succession e. alder, cottonwood, and willow thickets

Biology & Microbiology

One of the most important roles of proteoglycans is to trap ________ to form a ________ matrix

Fill in the blank with correct word.

Biology & Microbiology

Which of the following is the correct sequence of blood flow in reptiles and mammals?

Biology & Microbiology