Answer: streak
Explanation: Streak is the color of the powder of a mineral. To do a streak test, you scrape the mineral across an unglazed porcelain plate. The plate is harder than many minerals, causing the minerals to leave a streak of powder on the plate.
Is a potential to provide effective treatment with fewer side effects than a traditional therapy.
Answer:
MA = Fr / Fe = 450N/150N= 3.0
Explanation:
