How are the two main categories of weathering represented in this image that shows human-made objects?
What will be an ideal response?
Answer: The broken glass bottles provide an example of mechanical weathering: to make them, a single glass bottle would have to be shattered into numerous shards of glass. Though many new pieces of glass result, the substance itself (glass) has not been transformed into anything new. In contrast, the rusty cans provide an example of chemical weathering: to make them, an initial can would have to react with oxygen in the atmosphere (an oxidation reaction facilitated by water) and a new substance (rust) would be produced at the expense of the material that composed the original cans.
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Explain human population growth in terms of carrying capacity. How does this differ from organisms that exist in natural ecosystems? Explain how population growth for human populations is a problem
What will be an ideal response?
Offshore barrier islands typically stand more than 4 meters higher than sea level
a. True b. False
Why would a box on a shelf have a higher potential energy than that of a box on a lower shelf?
A) The box on the higher shelf is heavier B) The box on the lower shelf was placed there after the higher box. C) The box on the higher shelf experiences less gravitational pull; with less gravitational pull comes more weight, thus more potential energy. D) It took more work to move the box to the high shelf than to the low shelf
What could happen if global warming were to continue?
A) Changes in global winds and rainfall B) Rise in ocean temperatures C) Decrease in dissolved gases D) All of these choices