(Q).
Answer the following question given this paragraph: Landslides are the most dramatic, sudden, and dangerous types of mass wasting. Landslides are sudden falls of rock; by contrast, avalanches are sudden falls of snow. Q: What are the most dramatic, sudden, and dangerous types of mass wasting? Choices: - earthquakes - monsoons - volcanoes - landslides A:
(A).
landslides

(Q).
Answer the following question given this paragraph: 25.5 Dispersion: The Rainbow and Prisms The spreading of white light into its full spectrum of wavelengths is called dispersion. Rainbows are produced by a combination of refraction and reflection and involve the dispersion of sunlight into a continuous distribution of colors. Dispersion produces beautiful rainbows but also causes problems in certain optical systems. Q: What is the spreading of white light into its full spectrum of wavelengths called? Choices: - condensation - saturation - radiate - dispersion A:
(A).
dispersion

(Q).
Answer the following question given this paragraph: By losing an electron, the sodium atom becomes a sodium ion. It now has more protons than electrons and a charge of +1. Positive ions such as sodium are given the same name as the element. The chemical symbol has a plus sign to distinguish the ion from an atom of the element. The symbol for a sodium ion is Na + . Q: Ions can be formed when atoms lose what other particles? Choices: - neutrons - protons - shells - electrons A:
(A).
electrons