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yarga [219]
2 years ago
9

Which item could be dated using radiocarbon dating?

Geography
1 answer:
Mrrafil [7]2 years ago
8 0

Answer:

Fossils

Explanation:

Because most fossils are a hundred, thousand years old, even a million years old...65 million years, that is for the fossils of dinosaurs

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From the map below, what can you infer about the Inca cities? Map titled Map of Inca Empire Road System. A smaller map shows tha
Natali [406]

Answer:

The correct answer is C. Most Inca cities were located along the main roads.

Explanation:

The Inca Empire Road System was the extensive and advanced road network of the Inca Empire that collapsed in the 16th century in western South America, between the Andes Mountains and the Pacific Coast. There were a total of 40,000 kilometers of roads in the network.

The Incas built it centuries before the Spanish conquest. The network was partly based on pre-Inca roads. The network grew to its fullest size in the 15th century after the Inca Empire had reached its largest size.  

The road network connected the villages and towns of the vast Inca Empire, which therefore were located along the main roads. There were a total of 40,000 kilometers of roads on the Inca Empire Road System. It had two north-south main roads: the coastal highway and the mountain highway. There were inns every 20 kilometers; some of them were fortifications with military supplies.

4 0
3 years ago
How does the age of seafloor basaltic rocks change with respect to the ocean ridges? They are youngest close to the ridges, They
Romashka [77]

Answer:

They are youngest close to the ridges,

Explanation:

At the ocean ridges, there is divergence at their margins.

Therefore, new materials upwell from the mantle below to the surface.

  • The basaltic materials cools and solidifies at the margin.
  • This action forces the old lithosphere backwards as the plate pulls away.
  • At the margin of the ridge, the rocks are younger.
  • Away from the margin, the crust begins to grow older.

So, at the margin the age of the rocks are more younger than those away from the margin.

5 0
2 years ago
11- Explain how carbon moves through the Earth system (including the geosphere) and how it may benefit (e.g., improve soils for
LiRa [457]

Answer:

The Carbon Cycle. The main benefits are Plant growth and enrichment of agricultural soils. The main Harms are air pollution

Explanation:

Carbon movement on Earth is best-explained trough the Carbon Cycle, in this cycle carbon is stored, moves or is exchanged between the biosphere, the Atmosphere, Oceans, and the Geosphere.

Atmosphere storages big quantities of carbon. this carbon then cycles to the Biosphere where it is used mainly by the plants on the photosynthesis and respiration processes.

Oceans also plays an important role in the cycle by photosynthesis of seagrass and algae, the air and the sea also exchanges carbon present in the surface ocean. But also large amounts of carbon are stored in the deep ocean (about 37,000 gigatons of carbon per year).

In the Geosphere the Carbon Cycle is slower because it involves processes like rain that forms carbonic acid when in contact with the rocks, this acid promotes chemical weathering on rocks releasing elements like calcium and magnesium that are carried over to the oceans, in the oceans, Calcium carbonate is formed trough the calcification of organisms that are layered throughout the years, this calcium carbonate is then cemented and turned to rock. Organic carbon is also present in the Geosphere as a result of dead plant matter.

This carbon stored in the lithosphere is released back to the atmosphere through volcanism, and the cycle repeats.

societies greatly benefit from carbon because of the plant respiration and growth process, also carbon is an element present on rich soils for agriculture.

The main harm to society is air pollution. Humans emissions have an important impact on carbon cycle by adding more C02 to the atmosphere in the form of Black carbon (produced by combustion process) and because of deforestation, the Carbon exchange with plants is reduced, increasing pollutants to the air.

8 0
3 years ago
According to the Big Bang Theory, the universe is __________________.
Archy [21]

Answer: expanding

Explanation: the universe is still expanding

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3 years ago
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The ginkgo tree, seen in the image above, grows in the __________.
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C. Forests of Southern China.
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3 years ago
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