Answer:
elliptical/ellipse
Explanation:
» <u>Concepts</u>
Astronomer <u>Johannes Kepler</u> discovered and founded his three laws of planetary motion. One of these laws states that the orbit of <u>all</u> planets, including Earth, is in an elliptical shape rather than a circle.
Answer:
The ratio of carbon and hydrogen atoms = 3.5 : 8
= 7 : 16
Then,the empirical formula is C7H16
They have different ratios of elements. Water is H20 and Hydrogen Peroxide is H202. The extra oxygen atom in hydrogen peroxide causes it to be structured and react differently.
Answer:
A_________________________
