Sayings about the weather, such as “red sky at morning, sailor take warning; red sky at night, sailor’s delight” are based on the scientific method
a. True
b. False
a. True
b. False
ANSWER: False
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In the shorelines investigation, what do the embayments along the eastern coast probably reflect?
A. marine terrace B. spit and sand bar C. sandy beach D. submerged coastline E. delta F. sea cliffs
An Environmental Impact Statement is required only if one wishes to build a major structure such as a dam or engage in a large project such as developing a mine or oil field on federal lands.
Answer the following statement true (T) or false (F)
The loss of an electron from a neutron in the nucleus is called:a
alpha decay. b. beta decay. c. electron decay. d. electron capture. e. half-life decay
One of the reasons that free oxygen in our atmosphere is important to the development and maintenance of life on Earth is because oxygen ________
A) combines with iron in volcanic rocks B) can form ozone and block some UV radiation C) is necessary for photosynthesis to occur D) reduces atmospheric temperature E) was very abundant in Earth's early atmosphere