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.
Location, Industry and Military
Answer: B. An automobile manufacturer offers different types of cars designed to appeal to different age groups and income levels.
Explanation:
Demographic segmentation is a segtegation process of the population depending upon the demands in product consumption and utilization at the market level. The population can be divided on the basis of age, gender, family size and income, ethnicity and education. The producers keeps an eye on the needs and requirement of the products based on the demographic parameters.
B. is the correct option depending upon demographic segmentation of population on the basis of different age groups and income level. The different age group people will like different cars. Also the income level will affect the affordibility of car.
Soil erosion is a recent problem in Tanzania even though the Masai have used their land for herding for so many years. This dramatic increase in soil erosion now even shows signs of an almost total destruction in the Tanzanian Maasai landscape.
The main trigger for soil erosion is the loss of vegetation cover which makes it easier for natural factors & man-made factors to cause even more damage.
