01:37:57

Geography

2 answers:

WITCHER [35]4 years ago

6 0

Answer:

Statements that describe colour and streak are

Streak is the colour of a mineral’s powder.

Most minerals occur in more than one colour.

Streak is tested by scraping a mineral across a streak plate.

Explanation:

Colour and streak are the properties of the minerals which describes the appearance. The colour of the mineral is not a reliable property because sometimes some minerals may have more than one colours. At times there may be situations where many minerals have same colour too. The colour of the minerals is due too the impurities present in the minerals.

Steak is also another reliable property can also be used to determine the appearance of the mineral. Steak is the colour of the powdered form of mineral. The check the streak of the material, scrape the mineral against the un-glazed porcelain plate. Minerals that have same colours have different streaks too.Steak is a reliable property than colour because steak does not change from time to time .

emmasim [6.3K]4 years ago

4 0

Answer:

a, b,c

Explanation:

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