question What is the name of the process by which a substance changes directly from a solid to a gas without passing through the liquid phase

Science

What is the name of the process by which a substance changes directly from a solid to a gas without passing through the liquid phase?

A. Melting
B. Freezing
C. Sublimation
D. Condensation

Sublimation is the phase transition from solid to gas without passing through the liquid phase.

Which layer of the Earth's atmosphere experiences the highest temperatures, even though it is farthest from the Earth's surface?

A. Troposphere
B. Stratosphere
C. Mesosphere
D. Thermosphere

In the periodic table, which period do the alkaline earth metals belong to?

A. Period 1
B. Period 2
C. Period 3
D. Period 4

Which of the following is a characteristic of bases?

A. Release hydrogen ions in solution
B. Taste sour
C. Turn red litmus paper blue
D. Conduct electricity only in the liquid state

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

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

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

What law describes the relationship between the pressure and volume of a gas at constant temperature?

A. Boyle's Law
B. Charles's Law
C. Avogadro's Law
D. Gay-Lussac's Law

What is the SI unit of electric charge?

A. Ampere
B. Coulomb
C. Volt
D. Ohm

What is the process by which rocks are broken down into smaller particles over time?

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

Which of the following is a vector quantity?

A. Speed
B. Distance
C. Acceleration
D. Mass

Which of the following is a significant factor contributing to the greenhouse effect on Earth?

A. Ozone depletion
B. Deforestation
C. Volcanic eruptions
D. Ocean currents