Geography College

which of the following is one of the things used to determine the age of the universe?

speed of light of other galaxies

gravity of other galaxies

radiation of other galaxies

distance from Earth to other galaxies

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Answers

Answer 1

Answer:

Explanation:

Astronomers estimate the age of the universe in two ways:

1) by looking for the oldest stars.

2) by measuring the rate of expansion of the universe and extrapolating back to the Big Bang; just as crime detectives can trace the origin of a bullet from the holes in a wall.

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Radar is most often used to

Answers

Radar is most often used to determine exact locations.

Identify and describe four common characteristics developed countries have that give them an advantage over less-developed countries.

Answers

Answer:

Common characteristics of developed countries include high annual family incomes, high literacy and education rates, higher life expectancies, low birth rates, and high production. Advanced agricultural practices, such as mechanization, fertilizers, and bioengineering, increase production in these countries.

Explanation:

The four common characteristics that developed countries have that give them an advantage over less-developed countries (LDCs)  are :The developed countries have higher contribution of industrial and services sectors to national income while less-developed countries have predominance of agriculture as a source of employment, the developed countries  use modern and advanced techniques of production while the LDCs  have inadequate infrastructure and old techniques of production; the developed countries have high standard of living while LDCs have low standard of living; the developed countries have high rate of savings and capital formation while the LDCs have  low saving rate.

What are the Less Developed Countries(LDCSs) ?

The least developed countries (LDCs) are developing countries listed by the United Nations that exhibit the lowest indicators of socioeconomic development.

Least-developed countries are low-income countries that face significant structural challenges to sustainable development.

The United Nations Committee for Development Policy created measures to help LDCs gain access to and benefit from international support.

Learn more about less-developed countries here:

https://brainly.com/question/13058959

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