Forest decline, like this, is a new phenomenon that is directly related to the activities of man on earth. high altitude defoliation is common in the eastern united states, europe, and japan due to the effects of a) drought. b) acidic clouds. c) global warming. d) ozone depletion.

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

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.

the correct answer to this question is #5

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.