Research Briefs 34 Test

Research Briefs 34 Test
Please fill out your email address in the first box and your name, ISA cert. no. in the second box. Answer the questions below and when you are finished, press submit.

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Name :

Question: 1. Why is the southeastern U.S. getting cooler while the rest of the globe is warming?
There are more trees.
Global CO2 levels are falling.
The atmospheric haze has outpaced the warming due to rising CO2 levels in the atmosphere.
The question is not true.

Question: 2. Trees provide:
wood.
improve health.
clean air.
all of the above.

Question: 3. Trees can save us from climate change because:
CO2 is plant food.
trees are dying.
humans cut down a lot of trees.
all of the above.

Question: 4. The world\'s earliest forests believed to have thrived between:
10,000 and 30,000 years ago.
100,000 and 300,000 years ago.
30 million and 37 million years ago.
360 million and 397 million years ago.

Question: 5. The crown of a prehistoric tree was found in:
Gilboa, N.Y.
a sandstone quarry.
in 2004.
all of the above.

Question: 6. This prehistoric tree grew:
10 feet tall.
30 feet tall.
80 feet tall.
130 feet tall.

Question: 7. This prehistoric tree:
had no leaves.
resembled a fern.
resembled a palm.
all of the above.

Question: 8. This prehistoric tree trunk:
was 30 inches in diameter.
was single stemmed.
had longitudinal ridges.
all of the above.

Question: 9. This prehistoric forest had trees:
about 3 to 15 feet apart.
about 15 to 30 feet apart.
about 30 to 50 feet apart.
about 50 to 100 feet apart.

Question: 10. This prehistoric tree:
seemed to be constructed to optimize mechanical stability and reproduction.
had complex vascular systems to grow.
caused an increase of carbon dioxide in the air.
all of the above.

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