How do we know that Earth is inhomogeneous?
What will be an ideal response?
Oceanic crust is different than continental crust. The density of the entire Earth is 5.5 g/cm3 but typical mantle only has a density of 3.2 g/cm3.
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Which of the following should not be flushed down the drain or toilet in a home with a septic tank?
A) Vegetable fragments and organic detergents B) Toilet paper and other paper fragments C) Condoms and feminine hygiene products D) Urine and feces
What are the problems encountered by using revenues as a proxy for output?
A) Revenues are distorted by changes in relative prices of service outputs. B) Many services produce both tangible and intangible outputs. C) Services produce only tangible outputs. D) There are no problems encountered. E) A and B only
Individual members of a feeding population in a food chain are generally ________ in size and ________ numerous than their prey
A) larger; less B) larger; more C) smaller; less D) smaller; more
Which of the following is not a component of stream load?
A) Dissolved load B) Suspended load C) Bedload D) Sediments undergoing saltation E) Alluvium