question What is the process by which a star converts hydrogen into helium releasing energy in the form of light and heat

Science

What is the process by which a star converts hydrogen into helium, releasing energy in the form of light and heat?

A. Nuclear fission
B. Nuclear fusion
C. Stellar evolution
D. Nebula formation

Nuclear fusion is the process by which a star converts hydrogen into helium, releasing energy.

What is the term for a large, dome-shaped mass of ice that flows outward in all directions, often found in polar regions?

A. Ice sheet
B. Glacier
C. Iceberg
D. Ice cap

What is the chemical symbol for sodium?

A. Na
B. Ne
C. Ni
D. Nb

What is the term for the process by which rocks are physically broken into smaller pieces without changing their composition?

A. Erosion
B. Deposition
C. Weathering
D. Sedimentation

What is the chemical formula for table salt?

A. Na2CO3
B. NaCl
C. NaOH
D. Na2O

What is the chemical symbol for chlorine?

A. Cl
B. Cr
C. Co
D. Ca

What is the function of the thymus gland in the immune system?

A. Producing antibodies
B. Maturation of T cells
C. Filtration of blood
D. Regulating blood pressure

Which of the following is a noble gas?

A. Helium
B. Chlorine
C. Sodium
D. Fluorine

What is the function of the mucus-producing cells in the respiratory system?

A. Facilitating gas exchange
B. Trapping and removing particles
C. Producing antibodies
D. Controlling blood flow

Which hormone is responsible for regulating metabolism in the human body?

A. Insulin
B. Thyroxine
C. Estrogen
D. Testosterone

What is the chemical symbol for potassium?

A. K
B. Ko
C. Pt
D. Po