22. reduction
25. Le Chatelier's principle
The cause would be how the idea started or developed and the effect would be how they both effected you together
the answer is c) the speed and direction of travel must be constant
<span>The answer is a heterogeneous mixture. Mixtures can be homogeneous and heterogeneous. If a solid and a liquid of a mixture cannot be separated and the difference between them is not visible, it is called homogeneous mixture (or solution). If a solid and a liquid of a mixture are visible and can be separated easily, the mixture is called heterogeneous.</span>
