<span>The outermost planets where so far away from the sun (many times the distance of earth) that they where invisible to the naked eye. This means that by simply looking into the eye at night it was possible to see the closer planets but not the outermost ones.</span>
Answer:
:)
Explanation:
how sweet ! have a fantastic day!!!
Blood Provides the Body's Cells with Oxygen and Removes Carbon Dioxide. Blood absorbs oxygen from air in the lungs. It transports the oxygen to cells throughout the body, and it removes waste carbon dioxide from the cells.
Answer:
C
Explanation:
Unrealistic means not realistic, or that it probably won't happen. If you set unrealistic goals, you will get discouraged and stop doing it because you probably won't be able to.