convection currents in the atmospere
The answer is density-dependent factor
Answer:
the process of DNA replication is called semi conservative because it results in two DNAs having a new strand and a old strand which is from the original DNA molecule
The answer would be about 18.
<span>Christmas trees give, in fact, a lot of oxygen and in return they consume a lot of carbon dioxide.
</span><span>The oxygen produced by each tree depends on several factors, but there is a estimative. In about 1 acre of land, there are enough trees to produce the oxygen necessary for 18 people to breath during a whole year!
</span>
Answer:
Bacteriochlorophyll
Explanation: Bacteria that contain bacteriochlorophyll do not use water as an electron donor and therefore do not produce oxygen.
