The earth's core is entirely molten iron and convection of this molten mass generates the earth's magnetic field
Indicate whether the statement is true or false
FALSE
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If it is Friday at 3:00 p.m. daylight-saving time in Kansas City (90° W), what is the day and time in Quito, Ecuador (75° W), where daylight-saving time is not being observed?
What will be an ideal response?
We lose 5 to 7 million ha of productive cropland per year to ________
A) reforestation and wetland restoration B) damage from pesticides C) no-till cropping and shelterbelts D) damage from recreation activity E) erosion, over-irrigation, and overgrazing
Which of the following can be characterized as a strong base?
A) LiOH B) KOH C) both a and b D) neither a nor b
The magnitude of the earthquake is dependent upon the amount of
A. ground displacement. B. ground damage. C. ground failure. D. ground motion.