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:
B
Explanation:
The printing press allowed mass production of books that spread new scientific ideas.
Theres 3 types of climates there arid, semiarid and temperate
In a nutshell, Antarctica is experiencing some drastic changes. The most drastic of which include climate change, where the climate is getting hotter, due to some natural causes. The result of this is the ice melting which can make some species such as polar bears, penguins, and seals extinct, due to not having anywhere to migrate to, them not being 100% sea animals.
Antarctica is located in the south pole of the Earth, directly under the north pole (Arctic). These changes are also present in the arctic.
