carbon
hydrogen
Explanation:
From the given choices, carbon and hydrogen are considered to have a relatively weak degree of electronegativity.
Electronegativity of an element is the tendency with which the atoms of the element attracts valence electrons in a chemical bond.
- Oxygen and nitrogen are highly electronegative elements having a strong attraction for electrons in covalent bonds.
- Carbon and hydrogen have considerably low electronegative values.
According to the Pauling's table showing electronegativities of elements,
N - 3.0
O - 3.5
C - 2.5
H - 2.1
therefore the order of increasing electronegativity is:
H < C < N < O
learn more:
Elecctronegativity brainly.com/question/11932624
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Create and enforce regulations that limit fossil fuel burning by industries. use funds to understand why smoke and mold are causes of outdoor air pollutants. educate people about the threats to outdoor clean air from visible forms of air pollution.
Catabolism (a form of metabolism in which cells are breaking down larger units into smaller units).
Another answer is cellular respiration
