Answer:
the answer is A Milk Quality and Products
Explanation:
iCVE 2021
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.
the answer is 3/C.) galaxies spin faster than they should, based on their visible matter
I'm pretty sure the first one is not a crater lol. The last one is a crater, the second one I think is a rift valley, and the first one volcano. Not sure tho as the image is not that clear but the last one is a crater.
Native Americans have lived on the continent of South America for the longest time.
There had been several Native American tribes that had inhabited the continent long before the New World was discovered.
Hope this helps! :)
