Sin(a)=opposite/hypotenuse
∴hypotenuse=√20²+21²
=√400+441
=√841
=29
∴sin(a)=20/29
=0.6897
cos(a)=adjascent/hypotenuse
=21/29
=0.7241
I believe the answer is A) Centralized kingdoms is the correct answer.
Answer:
Moral
Explanation:
Confucius believed in education and placed emphasis on the civil service exam to get a government job. Could coexsist peacefully with other religions and beliefs such as Daoism.
Answer:
B. Climatology
Explanation:
Earth science studied the patterns of weather over a long period of time is called climatology. Weather is shorter phenomenon and day to day activities whereas climate is the longer and average climatic conditions over a period of 30 years. Climatology deals with the study about the temperature, precipitation, humidity, and pressure in the specific area in the world. Tectonics is the branch of the geomorphology which deals about the inner and outer surface of the earth.
Due to the Atlantic Jet Stream, cold water is carried from the Antarctic all the way down to the Caribbean and it turns into warmer water, then that said water is carried up back north towards the Antarctic, carrying that warm water with it, warming the surrounding air as it moves northward.
