D. Increased Burning of Fossil Fuels
Answer:
ethiopian highlands, kalahari deserts
One of the main factors that unites the different nations of the Europe into a single "Eurozone" is an economic one. It is much easier for all nations to have a single currency than for each nation to have its own. This was a major unifying factor.
The answer is b) parking tickets because everything else helps you in one way or another. For example, coupons help you get a discount on an item. Frequent flier miles gives you points for flying and buy-one, get-one free, you buy one and well you get one free. Parking tickets do not help you save anything. They help the people who gave them earn money.
Answer:
Both early protostars and young stars are formed from a clod of gas which collapses under gravity to form a star. Both types of star are mainly Hydrogen and some Helium. They would be 75% Hydrogen, 25% Helium with traces of Lithium. Young stars formed out of the remains of old stars would still be mainly Hydrogen. Another way to say it is Both types of star are mainly Hydrogen and some Helium. Early protostars would have been formed from the gasses that were created soon after the big bang. They would be 75% Hydrogen, 25% Helium with traces of Lithium. Young stars formed out of the remains of old stars would still be mainly Hydrogen.
