Answer:
-10
Explanation:
add all temperatures together divide by 5 for your average
Answer:
vulcanized rubber
Explanation:
The best material for this purpose is vulcanized rubber. Jogging strollers have wider bases and larger wheels to stabilize them, and these wheels must be durable in order to withstand the stresses introduced during the high speed movement.
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.