PLEASE HELP ME DUE TODAY 1. Which mineral above would be the most difficult to scratch?

2. Give two examples of minerals that have a property in common.

3. Could you have identified any of the minerals after having described only a few, rather than all, of the properties you tested? If so, give an example.

4. Why is it still a good idea to test more properties than might be necessary?

Which russian tsar transformed thr royal residence in st. petersburg, the hermitage, into a center of culture, painting, and the performing arts

The soviet union and the united states believed in two very different economic systems. what were the names of each?

"but let us admit texas, and we shall place the balance of power in the hands of the texans themselves. they, with the southern states, will control the policy and the destiny of this nation; our tariff will then be held at the will of the texan advocates of free trade. are our friends of the north prepared to deliver over this great national policy to the people of texas? " - rep. joshua giddings, ohio, may 21, 1844 this quote points to what major issue in the years leading up to the civil war?