Which of the following observations DID NOT support Aristotles geocentric model. a
The sun, moon, and stars appear to follow a circular path through the sky
b
For people on Earth, the planet does not feel like its moving
c
Some planets appear to cross between the sun and the Earth while others appear to cross between the sun and the Earth.
d
The planets sometimes appear to move backward or loop around.

Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3

In which situation can a mixture always be called a solution

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.