<span>the behavior of the above pair of substances</span> is soluble
The alkaline earth metals (the second group) because their ion charge is +2
Answer:
The two observations we made from viewing the solar system model are as follows as:
1). When we look at the sky we observe that the motions of all the planets and the stars are perfect circular movements with a good and high speed, but not in velocity because in velocity direction doesn't charges.
2). The sun is at the centre of our solar system and all the planets are equidistant to each other planets and also revolve around the sun.
Answer:
0.92322835
Explanation:
0.92322835 rounded= 0.9 or 0.92
