question What is the term for the circular movement of ocean water that is driven by wind Earth s rotation and differences in water temperature and salinity

What is the critical angle in optics?

A. The angle of reflection
B. The angle of incidence
C. The minimum angle for total internal reflection
D. The maximum angle for refraction

In the human nervous system, what is the role of neurotransmitters?

A. Conducting electrical impulses
B. Transmitting sensory information
C. Regulating hormone levels
D. Transmitting signals between nerve cells

What is the SI unit of power?

A. Watt
B. Joule
C. Newton
D. Ampere

What is the term for the process by which a star exhausts its nuclear fuel, expands, and then contracts, expelling its outer layers into space?

A. Supernova
B. White dwarf
C. Red giant
D. Neutron star

What is the term for the outermost layer of a star's atmosphere, visible during a total solar eclipse as a halo of light?

A. Photosphere
B. Chromosphere
C. Corona
D. Exosphere

What is the term for the alignment of three celestial bodies, such as the Sun, Moon, and Earth, in a straight line?

A. Eclipse
B. Conjunction
C. Opposition
D. Syzygy

Which of the following is a function of the lymph nodes in the lymphatic system?

A. Production of lymphocytes
B. Detoxification
C. Filtration of lymph
D. Storage of nutrients

What is the name of the mission that successfully landed the rover "Zhurong" on Mars, making China the second country to land and operate a rover on the Red Planet?

A. Tianzhou
B. Chang'e
C. Tiangong
D. Shenzhou

What force opposes the relative motion or tendency of such motion of two surfaces in contact?

A. Tension
B. Friction
C. Gravity
D. Air Resistance

In the human respiratory system, what is the function of the bronchi?

A. Gas exchange
B. Filtering air
C. Transmitting sound waves
D. Oxygenating the blood

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