Answer:
Photosynthesis takes place in chloroplasts; cell walls allow plants to have strong, upright structures; and vacuoles help regulate how cells handle water and storage of other molecules.
1. Alloy = Compound
2. Gold = Au
3: Salt Water = Liquid Solution
4. Potassium = K
5. Neutron = No Electric Charge
6. Sugar = Solid Solution
7. Sodium = Na
8. Proton = Positive Electric Charge
<u>I'm sure these are the right answers, but if I got anything wrong, please feel free to state/comment about it. Hope this helps!!</u>
According to finding of scientist, the earth is roughly 4,600 million years old. then the non abundant fossil that they dated was about 3,600 million years old. so the fraction or percent of <span>geologic time is :
3,600 / 4600 = 0.78 or 78 % of earth geologic time</span>