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Arte-miy333 [17]
2 years ago
8

How are radioactive isotopes used to determine the absolute age of igneous rock

Geography
1 answer:
Sonbull [250]2 years ago
5 0

Answer:

Radioactive isotopes are unstable and will decay. ... The isotopes will decay into a stable isotope over time. Scientists can tell how old the rock was from looking at the radioactive isotope's half-life, which tells them how long it would take for there to be half the radioactive isotope and half the stable isotope.

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No Paraná existem atualmente três etnias indígenas:___________, ___________ e ____________. Elas vivem, em sua maioria, nas 17 t
Viefleur [7K]

Answer:

A opção B está correta.

Guarani, Kaingang e Xetá.

No Paraná existem atualmente três etnias indígenas: Guarani, Kaingang e Xetá. Elas vivem, em sua maioria, nas 17 terras indígenas demarcadas pelo governo federal, onde recebem assistência médica, odontológica e educação diferenciada bilíngue.

Explanation:

Pergunta Completa

No Paraná existem atualmente três etnias indígenas:___________, ___________ e ____________. Elas vivem, em sua maioria, nas 17 terras indígenas demarcadas pelo governo federal, onde recebem assistência médica, odontológica e educação diferenciada bilíngue.

a) Guarani, Pataxó e Potiguara.

b) Guarani, Kaingang e Xetá.

c) Ticuna, Guarani e Makushi

d) Terena, Guajajara e Xavante

O Paraná é um dos 26 estados do Brasil. É um estado no sul do Brasil e compartilha fronteiras com a Argentina. É popular por abrigar 3 das tribos indígenas populares no Brasil, incluindo Guarani, Kaingang e Xetá.

Espero que isto ajude!!!

6 0
3 years ago
Who use the Great Artesian Basin?<br>​
jenyasd209 [6]

hi here is your answer hope it helps or then sry

Explanation:

The Great Artesian Basin (GAB) is one of Australia's most significant hydrogeological entities. Covering more than 1.7 million square kilometres, the GAB underlies parts of Queensland, New South Wales, South Australia and the Northern Territory.

3 0
2 years ago
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Which country took control of most of Southeast Asia during World War II?
ra1l [238]

A. Japan

The war in the Pacific ended when Japan surrendered on September 2, 1945.

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3 years ago
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Technology has affected regional settlement patterns in what ways? Choose all that apply.
sashaice [31]

Answer:

Mechanized agricultural methods have improved agricultural productivity.

Participation in the global economy has increased urbanization

Settlement areas have increased due to improved water storage and delivery systems

Explanation:

7 0
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Please any body help need tomorrow pleaseeeeeeeeee​
kati45 [8]

Answer: Heyo :)

(1) Maybe g oogle that one, im not sure

(2)  march 21: celestial equator; june 21st ;Tropic of Cancer september 23rd; celestial equator; December 23rd: the Tropic of Capricorn

(3) <u>in a leap year, we add an extra day in February </u><u><em>(making it 29 days instead of 28)</em></u><u>. What goes around: The reason we have February 29 every four years is because of two different time cycles involved with the rotation of the Earth.</u>

Explanation:

<em>insp: nightmhares on brain.ly</em>

7 0
1 year ago
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