Answer:
The "streak test" is a method used to determine the color of a mineral in powdered form. The color of a mineral's powder is often a very important property for identifying the mineral. The streak test is done by scraping a specimen of the mineral across a piece of unglazed porcelain known as a "streak plate."
Explanation:
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The correct answer is B. An ecosystem resource; an ecosystem service
Explanation:
In ecosystems, a resource refers to any substance, material, object, etc. that is necessary for the biological processes of organisms, for example, breathing, growth, reproduction or nutrition. In this way, water is an example of an ecosystem resource because this natural resource is necessary for the life of almost all organisms. On the other hand, an ecosystem service refers to natural processes and systems that benefit humans, in the case of water cycle this is an example of an ecosystem service because due to this, humans get potable water to drink, water for growing plants and animals, among others.
In 1914, Archduke Franz Ferdinand of Austria and his wife Sophie are shot to death by a Bosnian Serb nationalist during an official visit to the Bosnian capital of Sarajevo. The killings sparked a chain of events that led to the outbreak of World War I by early August.
Source: www.history.com
Answer:true
Explanation:As World War II was about to end in 1945, nations were in ruins, and the world ... would prevent another world war like the one they had just lived through.
Is this geometry? if so is there a picture i can look at to help you?
