What percentage of the Earth's total freshwater is in the form of groundwater?
A) 97.2%
B) 94%
C) 30.1%
D) 0.03%
Answer: C
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The _______________ Hurricane Wind Scale divides hurricanes into five categories based on average wind speed, with Category 1 storms being the weakest and Category 5 the strongest
Fill in the blank with correct word.
The existence of jet streams was first determined by Ben Franklin as a result of his kite experiments
Indicate whether the statement is true or false
Researchers wanted to determine whether pesticide Z is effective at killing grasshoppers that typically invade cornfields. Two 10-acre cornfields located 1 mile apart were chosen. The cornfield to the west was sprayed only with water
The cornfield on the east received the same amount of water with a 10% solution of pesticide Z. The number of grasshoppers in the fields was recorded every week for 10 weeks. The number of grasshoppers in the west field treated only with water doubled after 10 weeks. The number of grasshoppers in the east field treated with pesticide Z declined by 50% after 10 weeks. Discuss two problems with the design of this experiment, and propose solutions to these problems.
A detrital sedimentary rock can be radiometrically dated because the clasts formed at the same time as the rock
Indicate whether this statement is true or false.