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timama [110]
3 years ago
14

Which is the least reliable method for identifying a mineral?

Biology
2 answers:
Bingel [31]3 years ago
8 0
A color is the best one
Setler [38]3 years ago
6 0

Answer: A. color

A mineral can be defined as an inorganic compound that is obtained by digging up the earth crust. It is available in the ore deposits. The physical characteristics and chemical composition of the mineral can be used for the identification of the mineral.

Color, streak, luster and cleavage are physical characteristics of the mineral which can be useful for identification. Streak is a test in which the mineral is scratched to identify it's internal color for identification, luster means how a mineral shows reflection against the light, cleavage is the breaking of the mineral into parts, it tells the internal composition of the mineral.

Color is the least reliable method for identifying a mineral because two or more minerals can have the same color.  

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Why are viruses like the avian flu important for vet scientists to study?
ValentinkaMS [17]

Answer:

Therefore, a global zoonotic disease surveillance system to reduce the emergence of zoonotic diseases in humans and to help detect other livestock diseases early could help to prevent the staggering economic losses associated with zoonotic disease outbreaks. So, yes I would say that they are very important to study.

Explanation:

5 0
3 years ago
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Choose all of the ways that cellular respiration is different from photosynthesis. Select the 4 correct answers. *
shepuryov [24]

Answer:

It uses glucose as a reactant.

It uses oxygen as a reactant.

It makes ATP.

It happens in the mitochondria.

Explanation:

It occurs in cells.  - this is false. Both cellular respiration and photosynthesis occur in cells.

It uses glucose as a reactant.  - this is true. Cellular respiration uses glucose as a reactant, it is broken down to release energy. Photosynthesis produces glucose.

It uses oxygen as a reactant.  - this is true. Cellular respiration uses oxygen as a reactant. In contrast, photosynthesis releases oxygen as a byproduct

It makes ATP. - this is true. Cellular respiration makes ATP. Photosynthesis uses energy to produce the sugar which is used in cellular respiration to synthesise ATP.

It happens in the chloroplasts.  - this is false. Photosynthesis occurs in the chloroplasts, not cellular respiration

It happens in the mitochondria.  - this is true. Respiration occurs in the mitochondria, whereas photosynthesis occurs in the chloroplasts.

It involves oxygen, glucose, carbon dioxide, and water. - this is false, Both photosynthesis and cellular respiration involve oxygen, glucose, carbon dioxide, and water. Photosynthesis produces oxygen and glucose using carbon dioxide and water. Respiration produces glucose and carbon dioxide using water and carbon dioxide.

6 0
3 years ago
Bacteria and fungi are found in all ecosystems on earth answer
Ivanshal [37]

The answer is; true

These microbes are usually adapted to their environment and this is why they are found in virtually all ecosystems. You will find bacteria even at the bottom of deep ocean beds deep and in geothermal vents, hypersaline water and very cold regions (such as polar regions).  Fungi which vary widely in size from microscopically small to the largest organisms such as mushrooms are also found in virtually all environments on earth. They are nonetheless different species of these groups adapted to their environments.


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3 years ago
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s344n2d4d5 [400]
Can u put the picture
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3 years ago
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