Answer:
The answer is between a or b
but I strongly suggest the option a.
Evolution is the answer
This rock can be classified as:
an igneous rock.
Igneous rocks are made up of
randomly arranged interlocking crystals and the important minerals that can be
found in igneous rocks are feldspars, quartz, olivines, pyroxenes, amphiboles,
and mafic minerals. All of these minerals are important in the formation of
almost all igneous rocks, and they are basic to their classification.
The correct answer is (a.) a mutation of the hemoglobin allowing better oxygen-carrying capacity. The mutation of the hemoglobin that allows a better oxygen-carrying capacity would be the most beneficial to an elephant and its descendants.
Yearly dental visits are a part of good dental hygiene because the dentist will check for cavities, fix them, clean your teeth very thoroughly (or whitening treatment), and check the progress and movement of your teeth. They can also recommend when dental surgery is necessary, for instance, if you have extra teeth that can be removed or when your wisdom teeth are coming in. Hope this helps! :)
Answer:
The answer to your question is:
Explanation:
When carbon attached to oxygen, they form covalent bonds, in these kind of bonds, atoms share electrons to acquire stability.
Atoms acquire stability when they have 8 electrons in their outermost shell.
When carbon share electrons with oxygen they acquire 8 electrons and they are stable.
See the picture below
Red is carbon and blue oxygen
