When several radio telescopes are connected together, the resulting network is called a(n) ________
Fill in the blank(s) with correct word
radio interferometer
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Which is not true of weather-related damage?
A) The cost has increased 500% during the last 20 years. B) The cost has reached $10 billion annually. C) The damage has never exceeded $90 billion worldwide. D) Damage from just Hurricane Katrina will exceed $130 Billion.
The United States is withdrawing groundwater from aquifers at a rate that is, on average, ____.
A. equal to the rate that they are recharged B. four hundred times faster than they can be recharged C. four times faster than they can be recharged D. two times slower than the rate of recharge E. twenty times slower than the rate of recharge
The oldest positively identified fossil bird; it had feathers, but retained many reptile
characteristics:a. cycad d. Kimberella b. Gondwana e. Archaeopteryx c. therapsid
________ are usually the most abundant gases emitted during basaltic volcanism
A) Water and carbon dioxide B) Oxygen and nitrogen C) Neon and ammonia D) Chlorine and sodium