Sound wave is a pressure caused by the vibration of something in a medium that transfers anergy, like air.
Answer:
China is a very large country that has border with 14 countries. However, in this case only the Chinese landforms that serve as borders will be listed:
-The Himalayan mountain range in western China that serves as a border with Nepal.
-The Gobi desert, at the north of China which is the border with Mongolia.
-The Tibetan plateau in western China that borders on India, Bhutan and Nepal.
-The Manchurian plain to the northeast of China, is the largest plain of the country that borders North Korea.
Based on the question above, the answer goes thus:
- Kerana Barat atau Semenanjung Malaysia terdiri daripada rangkaian hutan curam yang dilitupi pergunungan dengan dataran pantai di sebelah timur dan barat.
- Selain itu, Malaysia Timur mempunyai dataran pantai berpaya yang luas yang naik ke bukit yang dilitupi hutan di pedalaman.
In conclusion, we can conclude that the correct answer is the alam semula jadi of the environment.
Learn more about Malaysia here: brainly.com/question/1049720
Answer: What nation announced on monday that it would leave opec and focus more on its production of natural gas?
QATAR.
Explanation: Qatar which is a small and wealthy country, was a member of OPEC. Qatar is the world largest exporter of liquefied natural gas, says they are not leaving the business but they are joining an organization of a particular country (the name was not disclosed) to focus on the production of natural gas.
Answer: b. biological control.
Explanation: