<h2><u>Answer:</u></h2>
Researchers can decide whether oxygen existed in Earth's Archean air by searching for oxidized iron in rock. In the first place, there was just an almost no oxygen in the air. The oxygen that are being created by cyanobacteria is sufficient for the enduring procedure.
There will sufficiently just oxygen that will stay in the climate when the stones at the surface are appropriately and enough oxidized. In any case, as time passes by, confirmations said that the measure of oxygen in the Archean air is really expanding in a moderate enduring pace.
True. Models may change as new discoveries are made. An example of this would be the plum pudding model developed by J.J Thomson.
Answer:Where can you see latitude and longitude lines? On a map or globe. What is the weather like at 0° latitude?
Explanation:
Answer:
Peninsulas, mountains, rivers, seas, and deserts are all important features of North Africa/Southwest Asia. The region is made up of the northern part of Africa and
the extremely southwestern part of Asia. The southwestern part of Asia is made up of the Arabian and Anatolian peninsulas and a small part of continental Asia.
This part of the region is very rugged with several mountain ranges in the north, a lot of seismic (vibrations of the earth, including earthquakes) activity, and a very dry desert on the Arabian Peninsula. In North Africa, the areas around water are fertile plains and the rest is part of the Sahara Desert. The Sahara Desert is a very large desert. i dont really know about the econimics
Explanation:
I have no idea because i’m just tryna use this app and i have to answer a question lol
