Answer:
c) are greenhouse gases that contribute to climate change
Explanation:
- The CFCs and the HCFCs are fully and partially hydrogenated carbons and contains carbon and hydrogen and chlorine and fluoride and other volatile substance and being a component of the greenhouses gases like the methane.
- <u>These contribute to climate change and the greenhouse effects on the earth and this is due to the government have phased put the use of CFCs and though this gas has a short lifespan.</u>
He stated that United States should provide support to free people who are continuously resisting and showing oppressiveness against outside pressure or armed minorities.
<u>Explanation:</u>
President Harry S Truman provided 18 minute speech before joint session of congress on 12th March 1947.
Truman stated that U.S. should provide all aids (financial/political/military) to nations which are under threat from internal or external forces. Truman Doctrine marked change in U.S. international policy to containment from isolationism. As an immediate effect in 1947, his effort helped Greek and Turkish to fight against communist.
Answer:
yes it is enough 1 month for six subject but revise 1 subject for 3 hour in the morning and in the evening
B because it was the best answer