Which minerals in the table will scratch quartz?

When you cross a time zone going east what happens to the time

Look at the diagram showing the different wavelengths in sunlight. which statement describes electromagnetic waves with wavelengths greater than 700 nanometers? they take the form of heat. they can cause skin cancer and sunburn. they are some of the shortest waves. they can be seen by human eyes as visible light.

What is most likely the effect of unrestricted hunting of gray wolves on the food web of the region