Answer:
Oxygen
Explanation:
Oxygen has 6 valence electrons and it wants to have 8 to obtain a stable octet. So Oxygen gains two electrons in the bond, developing an anion.
It is also a non-metal, and they tend to gain anions.
Answer:
See explanation
Explanation:
If we look at the electron configuration closely, we will discover that the element must have had a ground state electron configuration of 2,4.
This is because, the innermost shell usually holds two electrons while the outer shells hold eight electrons each. The four electrons must be accommodated in the second shell in the ground state configuration of the compound.
However, when the atom is excited, one electron from this shell may move to the third shell to give the excited state configuration 2-3-1 as shown in the question.
Answer is: catabolism.
Missing question:
Synthesis.
Catabolism.
Rearrangement.
Anabolism.
Catabolism (<span>the set of </span>metabolic<span> pathways)</span> breaks down large molecules (in this example glycogen, a polysaccharide) into smaller units (in this example glucose, a monosaccharide).
Glycogen is <span>the main storage form of glucose in the body.</span>
Crust
Core
Explanation:
For any terrestrial planet, the crust would be the coolest layer and the core would be the hottest layer.
Terrestrial planets or the inner planets made up rocky balls. They have layers that are differentiated.
Typically, they are made up of crust, mantle and the core.
The crust is the outermost layer.
The mantle is the middle layer and core is the inner most layer.
These planets are Mercury, Venus, Earth and Mars.
The outermost layer is usually the coldest part.
The innermost layer is the hottest part which is the core
learn more:
Crust of the earth brainly.com/question/10537829
#learnwithBrainly
B.
The cynobacteria were already there without the oxygen, so that rules out A, and a lot of prokaryotes were anaerobic, so that rules out C. Finally, Photosynthesis does not require oxygen. Instead, Oxygen is a waste product of it. Therefore, it cannot be D. So, we are only left with B
Hoped this helped :D
