<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.
Answer:
no that would lie in the federal government but federal intervention is rare
Explanation:
Magnesium<span> is a metal at </span>room temperature all metals except for mercury aresolids and f<span>ew metals have fairly low melting points for example Gallium. </span>
Answer:
B
Explanation:
I took the test and got it 100
Answer:
⇒The major lines of latitude are The EQUATOR, the TROPIC OF CANCER & CAPRICORN and none other than ARCTIC & ANTARCTIC CIRCLES!!
⇒ The major lines of longitude are The PRIME MERIDIAN (0 degrees) which runs through the Greenwich in London.
