Thursday, November 20, 2008

voyage 3

Trip Itinerary and approximate latitude:Lima to Cape Town 28 degrees

Travel time:15 days

Direction travelling:northeastern

Were you successful?yes

How many attempts?2

How were you successful? by traveling through and with the wind

What winds did you take advantage of or compete with during your travel?trade winds and prevailing westerlies

voyage 2

Trip Itinerary and approximate latitude:San Francisco to Sydney 27 degrees

Travel time:13 days

Direction travelling:southwestern

Were you successful?yes

How many attempts?2

How were you successful? traveled through the wind and with it

What winds did you take advantage of or compete with during your travel? trade winds

voyage 1

Trip Itinerary and approximate latitude: Havana to London 60 degrees

Travel time:9 days

Direction travelling:northeastern

Were you successful? yes

How many attempts?3

How were you successful?i used the wind to my advantage

What winds did you take advantage of or compete with during your travel?prevailing westerlies

Tuesday, November 18, 2008

Tuesday, November 11, 2008

ozone and ozone depletion

Ozone or O3 is three oxygen atoms. Its like protctive shild aginst uvratiation. the ozone is located in the stratosphere. some of the ozone is in the troposphere witch is bad for breathing in.

how ozone depletion is where the green house effect is getting stronger witch makes the ozone start to deplet. carbon dioxide makes the green haous effect to warm up more then normal. this problem wouldn't happen if there where more forests, because plants take carbon dioxide and turn it into oxygen.

Tuesday, November 4, 2008

acid rain


The issues are that acid rain affects lades, trees, and wild life. Causes are bruning coal. Witch makes sulfer oxides. Nitrogen oxides and sulfer oxides combind with water makes nitric acid and sulfuric acid. Some conqences are damaged buildings and statues, and kills or harms plants, ampfibions, fish, and insects. A solution could be not to burn coal.