B. 1 mole of beryllium, 2 moles of oxygen, 2 moles of hydrogen
The steel rods will enable the concrete to form without any bumps and it will add shape to the cement and strength, so no odd massive lumps are formed.
That is what I think anyways :)
Answer:
When there is less carbon (in the form of carbon dioxide) in abiotic matter, less carbon is available for producers making energy storage molecules. When there is more sunlight, producers can make more energy storage molecules from the carbon in carbon dioxide.
Hope this helps.
Answer:
because they take thousands or even millions of years to naturally replenish or replaced , which is not the average human lifetime
