How would you date a sample of rock that you suspect as being one of the earliest on earth?
a...
Geography, 22.09.2019 04:00 makennahudson94
How would you date a sample of rock that you suspect as being one of the earliest on earth?
a. use a radioactive isotope with a short half life
b. use a radioactive isotope with a long half life
c. use an index fossil
d. use a microfossil
Answers: 2
Geography, 23.06.2019 12:30
Ahis which describe the horizons in a soil profile? check all that apply. horizon a is mineral deficient. bedrock lies below the soil layers. te horizon o forms from organic material, horizon b undergoes the least amount of change. horizon c is least affected by the soil formation process.
Answers: 3
Geography, 23.06.2019 20:30
What is the latitude and longitude (to the nearest degree) of the following cities? a. kansas city b. philadelphia c. reno d. minneapolis use the map to find the names of cities with the following coordinates. a. 30°n, 96°w b. 35°n, 95°w c. 26°n, 80°w d. 42°n, 88°w how many kilometers north of the equator is washington, dc? approximately how far north of houston is kansas city? use degrees of latitude to calculate your answer. show your work. which city is closer to greenwich, england: los angeles or xi’an, china (34°n, 109°e)? explain your answer. how many degrees of longitude separate las vegas from the international date line, which is at 180° longitude?
Answers: 1
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