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.
Portugal cuz it has never been in contact with British. South Wales and North Wales are definitely part of you need to give an example of another country say Southern Ireland cuz only the North is part.
Answer:
Explanation:
a.) Summarize where air pollution can be found.
Air pollution can be found in many human activities - emission from power plants, exhaust from cars and trucks, pollutants from factories.
b.) What forms can air pollution take?
Air pollutants can be in solid form like particulates and gases such as SO2 from coal burning and ozone.
c.) Can all air pollution be prevented?
No, the most obvious air pollution that cannot be prevented is from cows when they pass gas!
Answer:
you need to push sign out and then make a new account from there
Explanation:
