The statement is true.
As weird as it may sound, helium was indeed first discovered on the Sun, and after some time on Earth. The first evidence of helium was observed on August 18 1868, as a bright yellow line with a wavelength of 587.49 nanometers in the spectrum of the Sun's chromosphere. This line has been detected by a French astronomer by the name of Jules Janssen during a total solar eclipse in Gantur, India.
Answer:
A landform is a feature on the Earth's surface that is part of the terrain. Mountains, Hills, Plateaus and Plains are four major types of landforms. Minor landforms include buttes, canyons, valleys and basins. Tectonic plate movement under the Earth can create landforms by pushing up mountains and hills.
Explanation:
I majored in Geography
Answer:
mabe so they needed to conserve space so that they can make the most money with the land that they have?
The area just north of Lake Baikal is called the Irkutsk Oblast, where the city of Irkutsk is located (in Siberia).
Answer:
1. Compaction occurs where pressure is placed on loosely packed sediment. The volume of the sediment is reduced and water is squeezed out.
2. Cementation occurs when mineral-bearing water circulates among the grains, hardens, and cements the sediment grains together. This process is most effective when lithifying sand and gravel-sized sediments.
Explanation:
