BIOLOGY HIGH SCHOOL

What determines physical and chemical properties of a mineral?

Answers

Answer 1
Answer:

Answer:   The precise chemical composition and internal atomic structure that defines each mineral also directly determines its outward appearance and physical properties. Thus, in most cases, general appearance and a few easily determined physical properties are sufficient to identify the mineral.

Explanation:

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Most land vertebrates can't drink seawater becausea. their kidneys can't excrete concentrated salt.
b. less water would need to be excreted by the kidneys.
c. they don't have kidneys.
d. their cells would eventually swell.

Answers


The best answer is A.

Unlike marine animals such as fish, land vertebrates do not have mechanisms to excrete high salt content. Their excretory organs namely the kidneys are not designed to handle concentrated salt content.

 Therefore if high  salt  content is retained in the body, then osmotic imbalance in cells of land vertebrates would  occur with the cells losing water because they would be hypotonic to their immediate surrounding and eventually die.

Marine fish are able to maintain osmotic balance in the sea water because they have specialized cells in their gills that actively eliminate salt and these fishes do not absorb any salt from the water they drink.

WHAT IS THE cell membrane gateway system is specifically called the

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It's called the sodium‐potassium pump.

Why are frogs said to have 2 lives

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Amphibian means two-lives, Frogs began there lives in the water as eggs and then grow to tadpoles, when they are fully developed they live on land.
they start their life in water as a tadpole then they adapt to land and go through metamorphosis to become a frog

The Robinson projection map is considered very useful because _____.all of the continents are the same size
it shows land masses in three dimensions
most distances, sizes, and shapes are accurate
features near edges are most accurate

Answers

The Robinson projection map is considered very useful because most distances, sizes, and shapes are accurate.

Answer:

The correct answer is "most distances, sizes, and shapes are accurate".

Explanation:

The Robinson projection map is an approach to show the entire world in a two dimensional image. Arthur H. Robinson created this projection in 1963 and substituted the the Van der Grinten projection in 1988. The Robinson projection map is considered very useful because most distances, sizes, and shapes are accurate. Therefore, this projection is used for geological purposes in a better way than previous projections.

This is the greatest effect of the westernization and commoditization of culture.A. Westernization and commoditization create a global culture that allows competing marketers to drive down product costs.
B. Westernization and commoditization benefit only core countries' business executives by increasing their paychecks
C. Westernization and commoditization overlook peripheral countries and provide no incentives for their involvement in international trade
D. Westernization and commoditization emphasize diversity of culture rather than the homogenization of the world into a global culture

Answers

The greatest effect of the westernization and commoditization of culture is that they created a global culture that allows competing marketers to drive down product costs. The answer to your question is A. I hope this is the answer that you are looking for and it comes to your help.

Answer:

a

Explanation:

Stephan predicted that the seeds will start to grow faster if an electric current traveled through the soil in which they were planted. Is it A. Recognize a problem.
B. Form a hypothesis
C. Test the hypothesis with an experiment
or
D. Draw conclusions

Answers

B. Form a hypothesis because he is predicting something or making an educated guess
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