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aleksklad [387]
3 years ago
12

Passenger boats were attacked before the US became involved in WWI. True False

Geography
1 answer:
IRISSAK [1]3 years ago
5 0
True........................................
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The technique called radiometric dating is based on
Dima020 [189]

Answer:

D) the steady, clocklike decay of certain radioactive isotopes over time.

Explanation:

Geologists use radiometric dating to estimate how long ago rocks formed, and to infer the ages of fossils contained within those rocks.

For example, when rocks are formed, such as igneous rocks (formed when molten rocks cools), certain radioactive atoms are trapped inside the rocks during this formation process. Then these radioactive atoms decay over time.

The age of the rock can be estimated by comparing the occurring radioactive isotope within the material to the abundance of its decay products, which form at a known constant rate of decay.

From the options;

A) this is about the formation of the radioactive molecules and not about radiometric dating

B) this is radiocarbon dating (cabon dating/carbon-14 dating)

C) the <em>assumption </em>is wrong since the radioactive isotopes decays not accumulate.

D) the corect option as I explained earlier.

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3 years ago
What country in west africa is actually made up of small islands
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The country is Seychelles.

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What is the tallest mountain on Earth above sea level?
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a)Mount Everest with highest altitude above the mean sea level at 29,029 feet

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2 years ago
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Assume that there are two moons in orbit around Earth that are on the same orbital plane but always on opposite sides of Earth a
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High tide will be higher than it is now and neap tides will be shallower

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A reef that surrounds a volcanic island is a(n): atoll guyot graded bed turbidity current
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A reef than surrounds a volcanic island is an : Atoll

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