2024 WGU C165 Version 2 Complete Questions & Answers (Solved) 100% Correct
- Speed
Answer: how fast an object is moving
- Which of the following statements BEST describes the locations of volcanoes?
Answer: Most volcanoes are located along the edges of some continents or in chains off the coast of continents.
- Some plate boundaries have
Answer: active volcanoes but some don't, and almost all volcanoes are at boundaries.
- The typical speed of a plate is
Answer: a few centimeters per year.
- An atmospheric instability causes a column of air to rotate.
Answer: Tornado
- A moist mass of air over warm ocean water condenses as it rises, forming a massive
spinning storm.
Answer: hurricane
- This type of storm is common at cold fronts and often produces lightning.-
Answer: Thunderstorms
- This is the most violent storm on Earth.
Answer: tornadoes.
- A hurricane has an
Answer: eye in the center that is very calm.
- Lightning is an
Answer: electric glow that can be seen during a storm.
- Differences in temperature within Earth and within the plates result in
Answer: -processes that move plates.
- A low-lying cloud of small water droplets that reduces visibility to less than 1 km (0.62 mi)
is called
Answer: fog
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- Which radiation can greenhouse gases absorb that nitrogen and oxygen cannot?
Answer: Greenhouse gases can absorb infrared radiation, which nitrogen and oxygen cannot.
- Which of the following are considered greenhouse gases?
Answer: carbon dioxide and methane
- Which kind of plate boundary produced the Himalayas?
Answer: Two plates pushed into each other to push the land upward and generate a mountain range.
- Greenhouse gases in Earth's atmosphere
Answer: absorb infrared radiation emitted by the ground.
- After absorbing incoming solar radiation, Earth emits mostly , which is the
radiation associated with heat.
Answer: infrared radiation
- The greenhouse effect .
Answer: helps keep Earth's surface sufficiently warm for life to exist
- The greenhouse effect occurs because greenhouse gases .
Answer: -absorb infrared radiation emitted by the surface
- If more water vapor was present in Earth's atmosphere, what would happen to Earth's
temperature?
Answer: The temperature would increase.
- The most abundant greenhouse gas in volcanic eruptions is .-
Answer: water vapor
- Solar radiation .
Answer: has been increasing over the past several billion years
- Which of the following is a natural process that adds carbon dioxide to the atmosphere?
Answer: respiration
- Plants remove carbon dioxide from the atmosphere and cutting down forests
Answer: increases the rate of global warming.
- If the mass of the box increases, but the force remains the same, the box's acceleration will
Answer: decrease
- Why does San Francisco have earthquakes?
Answer: San Francisco lies along the boundary between the North American plate and the 2 / 3
Pacific plate. At this location, they are grinding past each other, occasionally slipping suddenly along a transform fault.
- If the mass of an object increases
Answer: a given force will produce less acceleration.
- When force increases
Answer: acceleration also increases, according to Newton's second law.
- The net force acting on an object moving in a straight line at a constant speed
Answer: is zero
- Friction is the force that
Answer: opposes motion of an object
- A force of friction does not exist if
Answer: two objects are not touching.
- If the distance is doubled, the force of gravity
Answer: decreases
- Which of the following is the LEAST abundant in Earth's atmosphere?
Answer: - Ozone is a very small fraction of a percent of Earth's atmosphere and therefore not a main component.
- This gas is generally not reactive and is the most abundant in the atmosphere.
Answer: Nitrogen
- This gas is used by plants to make organic compounds.
Answer: Carbon Dioxide
- This gas also exists as a solid and liquid at Earth temperature and cycles between the
atmosphere, land, and oceans.
Answer: Water Vapor
- Describe how and why air density changes with changes in altitude.
Answer: Air density decreases with an increase in altitude because air particles have mass and are pulled down by Earth's gravity.
- Density is defined as
Answer: mass divided by volume.
- Nitrogen is about of the Earths atmosphere
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