Earth Science Study Guide

Topics: Atmosphere, Sun, Stratosphere Pages: 4 (1036 words) Published: April 26, 2013

My nameCraig Belnap
SemesterEarth science B


6.1 Coastal Pollution
1. What are the consequences of coastal pollution?Unsafe environment for humans and wildlife, it can also kill fish that many use as a source of income. 2. What are the sources of coastal pollution?Agricultural, municipal, and industrial run off. Oil spills and waste that is dumped directly into the ocean. 3. What sequence of events causes a dead zone?Fertilizers run off of lawns and farm fields.

Fertilizer promotes algae growth in the water that the fertilizer is in contact with.

Lakes, rivers, and bays become clogged with algae and aquatic plants.

These organisms eventually die and decompose.

Decomposition uses up dissolved oxygen in water.

Large numbers of plants and marine animals cannot thrive without oxygen.

Voila a dead zone.
6.2 Ocean Garbage Patch
1. What are the sources of ocean trash?Majority of the trash is from landfills toxic run off or from trash being dumped directly into the ocean. Another source is trash from ships at sea.
2. What is ocean trash made up of?Most ocean trash is made of plastic and rubber materials. 3. What are the effects of trash on ocean life?Animals may be entangled in plastic and die of starvation, they may also ingest the plastic and be poisoned by its chemicals. 6.3 Oil Spills

1. What are the three methods for dealing with an oil spill?Removal. Containment.
2. What are the long-term effects of a major oil spill?Spilled oil can clog and coat animals and suffocate or poison them. It can also destroy beaches and fragile marine ecosystems. 6.4 Troposphere

1. What is the source of heat in the troposphere?Earth absorbs sunlight and then radiates it back as heat for the troposphere. 2. Describe the temperature gradient found in the troposphere.The temperature decreases with altitude. 3. Where and how do inversions form?Warm air is under cool air, but...
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