Which of the following best describes the relationship between carrying capacity and death rates?
a) as population size approaches the carrying capacity, death rates begin to decrease.
b) as population size approaches the carrying capacity, death rates begin to increase.
c) as population size approaches the carrying capacity, death rates approach

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

a compound light microscope is used to magnify objects in steps.  

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