- Question -
Fossils are the ________, imprints, or traces of once-living organisms preserved in rock.
- Answer -
Remains
Fossils are the remains, imprints, or traces of once-living organisms preserved in rock.
- The Wolf -
Water evaporating is a chemical change so 4
The electron transport chain is a chemical reaction where electrons are transferred from a high-energy molecule to a low-energy molecule. These reactions can be used to convert energy from sunlight in photosynthesis or extract energy from sugars in respiration.
Answer:
electron configuration is 2,8,8,2
Explanation:
1s2 2s2 2p6 3s2 3p6 4s2