Answer:
Streak test is used to compare the properties of different minerals.
Explanation:
Streak test is perform on rocks to check the properties of a mineral or rocks. If you have a piece of white floor tile, You can use it for the test. In this test we rub mineral on a piece of white tile Turn your tile so that the dull side faces up. Take your rocks one at a time and rub them back and forth over the surface of the tile and observe the color of the powder left behind which will tell about the type of mineral.
Answer:
D) The one seed she chooses from either packet may be defective and grow improperly. She would only have results from a bad seed for that brand and not have true data from typical seeds of that brand.
Explanation:
Tropical Rain Forest: located near the equator and contains trees that form dense canopy layers.
Savanna: is very hot and dry, and has plants that need very little water
Desert: has warm temperatures and is dominated by grasses
Taiga: has cold winters, heavy snowfall and is dominated by conifers
Tundra: has sparse vegetation and very cold temperatures
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