The words that fill in the blanks in order are;
- atoms
- Electrons
- shells
- Valence electrons
- Electron distribution
- Molecules
- Basic atoms
- Charge distribution
- Interact with other molecules electron
- Harm living organisms
Atoms are composed of electrons. These electrons are arranged in shells. The number of valence electrons (outermost shell electrons) determine the kind of bonds that can be formed in a molecule.
In a molecule, charges are distributed in a unique way and the charge distribution in a molecule determines how the molecule interacts with other molecules. Different molecules can be made by arranging the same basic atoms in different ways.
Harmful substances can be formed when atoms of elements combine in new ways in the environment.
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There isnt any choices but i know that the answer is Uracil (it's found in RNA)
A derived trait is a trait that the current organism has, but the previous one did not have.An ancestral trait is a trait that you, and your ancestors had.A vestigial structure is a structure that had some sort of use in your ancestor, but none in your current body
<span>Is the study of humankind in all times and places.
-the study of all humans throughout time and space. Hope it helped!</span>
Because of underdeveloped lungs the frog has to breathe through moist skin. Therefore for exchange of gases the skin is thin and moist
