The correct response is: The air is thinner.
As you climb higher in elevation, the air pressure decreases, which means there are fewer oxygen molecules in a given volume of air. This results in the sensation of difficulty in breathing.
Why is it harder to breathe when climbing up a high mountain?(1 point)
Responses
The air has more moisture.
The air has more moisture.
The air is thinner.
The air is thinner.
The air compresses the lungs.
The air compresses the lungs.
The air pressure increases.
7 answers
Which statement correctly describes the mesosphere?(1 point)
Responses
Meteors burn up in this layer to create shooting stars.
Meteors burn up in this layer to create shooting stars.
Commercial airplanes fly through this layer.
Commercial airplanes fly through this layer.
The Northern Lights are visible in this layer.
The Northern Lights are visible in this layer.
Atmospheric changes in this layer cause weather at Earth’s surface.
Responses
Meteors burn up in this layer to create shooting stars.
Meteors burn up in this layer to create shooting stars.
Commercial airplanes fly through this layer.
Commercial airplanes fly through this layer.
The Northern Lights are visible in this layer.
The Northern Lights are visible in this layer.
Atmospheric changes in this layer cause weather at Earth’s surface.
The correct response is: Meteors burn up in this layer to create shooting stars.
The mesosphere is the layer of Earth's atmosphere where meteoroids generally burn up upon entering, creating the phenomenon known as shooting stars.
Use the scenario to answer the question.
A student is examining scientific evidence to support the following claim.
“Life is possible because of the unique mixture of gases that cycle through the Earth’s spheres.”
Which evidence best supports the student’s claim?
(1 point)
Responses
a photograph capturing a nighttime meteor shower
a photograph capturing a nighttime meteor shower
a timeline detailing when an erupting volcano releases lava, ash, and gases
a timeline detailing when an erupting volcano releases lava, ash, and gases
an illustration demonstrating how the depletion of the ozone layer is not blocking out the sun’s ultraviolet rays
an illustration demonstrating how the depletion of the ozone layer is not blocking out the sun’s ultraviolet rays
a diagram illustrating how plants use carbon dioxide, water, and sunlight to produce food and oxygen gas
A student is examining scientific evidence to support the following claim.
“Life is possible because of the unique mixture of gases that cycle through the Earth’s spheres.”
Which evidence best supports the student’s claim?
(1 point)
Responses
a photograph capturing a nighttime meteor shower
a photograph capturing a nighttime meteor shower
a timeline detailing when an erupting volcano releases lava, ash, and gases
a timeline detailing when an erupting volcano releases lava, ash, and gases
an illustration demonstrating how the depletion of the ozone layer is not blocking out the sun’s ultraviolet rays
an illustration demonstrating how the depletion of the ozone layer is not blocking out the sun’s ultraviolet rays
a diagram illustrating how plants use carbon dioxide, water, and sunlight to produce food and oxygen gas
The evidence that best supports the student's claim is: a diagram illustrating how plants use carbon dioxide, water, and sunlight to produce food and oxygen gas.
This diagram directly relates to the unique mixture of gases necessary for life, highlighting the role of carbon dioxide and oxygen in the process of photosynthesis, which is vital for supporting life on Earth.
Which question can best be answered by studying a diagram of the carbon cycle?(1 point)
Responses
How are fossil fuels processed and used to power industries?
How are fossil fuels processed and used to power industries?
How does the process of transpiration cause plants to release water through their leaves?
How does the process of transpiration cause plants to release water through their leaves?
How is surface water, underground water, and moisture in the atmosphere recycled?
How is surface water, underground water, and moisture in the atmosphere recycled?
How are fossil fuels formed from the decay of dead plants and animals in the biosphere?
Responses
How are fossil fuels processed and used to power industries?
How are fossil fuels processed and used to power industries?
How does the process of transpiration cause plants to release water through their leaves?
How does the process of transpiration cause plants to release water through their leaves?
How is surface water, underground water, and moisture in the atmosphere recycled?
How is surface water, underground water, and moisture in the atmosphere recycled?
How are fossil fuels formed from the decay of dead plants and animals in the biosphere?
The question that can best be answered by studying a diagram of the carbon cycle is: How are fossil fuels formed from the decay of dead plants and animals in the biosphere?
A diagram of the carbon cycle typically illustrates the processes involved in the cycling of carbon through different reservoirs, including the formation of fossil fuels from organic materials in the biosphere.
1 answer