Answer: A. Air bubbles trapped in a layer indicate how much CO2 was in the atmosphere the year the layer formed.
Explanation:
When ice cores were formed, they included air bubbles that got stuck during the formation. Scientists can study these air bubbles to find out how much carbon dioxide is in them as this will show the proportion of carbon dioxide in air at the time the core was formed.
They can then compare those figures to current carbon dioxide levels to see if there has been a change. This change will give proof of climate change.
Magmas that are more rich in silica and charged with gas are more explosive
Silica increases the viscosity significantly, but it is not a mineral when it is in the molten state
So silica is the answer
Answer:
export crop to another country
Answer:
The difference between a developed country's GDP per capita and a developing country's GDP per capita is most likely a developed country having a higher number in the GDP per capita. The standard in a developed country would be necessities like food, housing, water, etc. While developing countries standard would be lower than necessities.
Explanation: I just did it on ed
Answer:
Animals breathe oxygen and exhale carbon dioxide.
Plants take in carbon dioxide and release oxygen back into the air.
Explanation:
