Briefly describe the friction layer and how it affects wind speeds
The atmospheric layer that is influenced by friction is called the friction layer and extends from the ground upwards to approximately 1000 m in the air (but this altitude can vary depending on strong winds and rough terrain). The frictional drag of the ground slows wind down. Because the effect of friction decreases as we move away from Earth's surface, wind speeds tend to increase with height above ground.
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One of the most serious overdrafts of groundwater is in the United States in the lower half of the ________________aquifer
Fill in the blanks with correct word
Calcite and halite are both held together by ionic bonds. Calcite has a +2 charge and halite a +1. Which is stronger?
A) halite B) calcite C) they are equally strong D) they are equally weak
The area surrounding a service from which customers are attracted is the threshold or the rank-size
Indicate whether the statement is true or false.
Clay crystals ________.
A. are amorphous B. lack an ordered atomic structure C. are very small D. range from very large to very small E. are very large