The stars generate helium from hydrogen at core temperatures of about 10 million degrees. why does it require even higher temperatures to create elements with greater numbers of protons than helium?

At a divergent plate boundaries, tectonic plates what happens

Using complete sentences, describe six innovations that have contributed to the mechanization of agriculture since the Industrial Revolution.

Central America is subject to fierce which drop large amounts of on the region. Another threat in the region is activity such as earthquakes and volcanoes caused by the shifting of the earth's Large waves called may result in mass destruction.

Explain how coastal areas can provide socio-economic opportunities

The Nile Delta is found in which country?

What types of areas are created by sinking, dry air at 30 degrees north or south latitude?

The us congress passage of the Homestead act in 1862 can be considered a pull factor that caused people to migrate to the us

Name the river that forms a border between the states of washington and oregon

Match the city in column 1 to its description in column 2. A. Shenzhen B. Tianjin C. Nanjing D. Guangzhou Located near Beijing; has agriculture and manufacturing. Former capital of China with rich history and culture; large manufacturing center.

Mengapakah delta terbentuk di muara sungai