Osmolarity is the
A) pH concentration of a solution. B) ratio of oxygen to carbon dioxide.
C) pressure within a closed system. D) concentration of dissolved solutes in solution.
D
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A wooded area is converted to a housing development and strip mall. Predict and briefly describe three (3) ways this change in land use could affect atmospheric carbon dioxide levels.
What will be an ideal response?
Which of the following is NOT known to be a contributing factor to male infertility??
Using the flow chart, starting with the heart
and going in order 1?5, which is the correct order of blood flow?
a. capillaries, venules, veins, arteries, arterioles b. arterioles, arteries, venules, veins, capillaries c. arteries, arterioles, capillaries, venules, veins d. veins, venules, capillaries, arterioles, arteries e. arteries, veins, arterioles, capillaries, venules
The production of estrogen and progesterone decreases during menopause. This can cause thinning of bones and brief moments of feeling hot. What is another biological effect of low amounts of these hormones in women?
A) inability to maintain normal nerve cell development B) inability to reproduce successfully C) becoming anemic D) joint swelling