BIOLOGY HIGH SCHOOL

What processes can transform metamorphic rock into sediment? A.
weathering and erosion


B.
heat and pressure


C.
compaction and cementation


D.
crystallization and solidification

Answers

Answer 1
Answer: Sedimentary rocks are formed by the deposition and successive cementation of material at the Earth’s surface and within bodies of water. They form layers called strata which can be seen in exposed cliffs. Example of sedimentary rocks includes limestone, sandstone, mudstone, greywacke, chalk, coal, claystone and flint. Limestone from metamorphic rock marble when subjected to extreme heat and pressure over time. Sandstone forms the metamorphic rock quartzite. Mudstone forms the metamorphic rock slate. Flint is a hard, sedimentary form of the mineral quartz. The answer is letter C.
Answer 2
Answer:

What processes can transform metamorphic rock into sediment?

A.

weathering and erosion

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Glucose and amino acids move in or out of a cell by _____. passive diffusion facilitated diffusion active transport endocytosis and exocytosis
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A low secretion of luteinizing hormone (LH) in the normal male adult would cause A. shrinkage of the anterior pituitary gland
B. decreased testosterone secretion
C. excessive beard growth
D. increased spermatogenesis

Answers

Answer:

A low secretion of luteinizing hormone(LH) in the normal male adult would cause B. decreased testosterone secretion.

Explanation:

For males the normal range is  1.24 -7.8 IU/L. If LH levels are below the normal range it may indicate a pituitary gland problem. Their pituitary gland may not be making enough LH which may lead to low testosterone.

Hypogonadism is a testicular disorder associated with low testosterone. Low testosterone levels can cause a variety of problems including diminished muscle mass & decreased sex drive as well as decrease in the physical as well as mental energy.

Final answer:

Luteinizing Hormone (LH) in males stimulates the production of testosterone. If LH secretion is low, it would result in decreased secretion of testosterone.

Explanation:

The secretion of Luteinizing Hormone (LH) plays a significant role in the male reproductive system. A low secretion of LH in a normal adult male most likely impacts the production of testosterone because LH stimulates the testes to produce this hormone. Therefore, a decrease in LH secretion would logically lead to a decreased secretion of testosterone (Option B). This decrease in testosterone can further lead to a reduction in sex drive, decreased muscle mass, and other sexual and physical changes.

Learn more about Luteinizing Hormone (LH) here:

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What is an important characteristic of the plant cell wall?a. It is fluid.
b. It is rigid.
c. It is alive.
d. It stretches.gy

Answers


The best answer is b - it is rigid.

The cell wall is defined as the rigid, outermost layer found in plants and also certain bacteria, algae and fungi. It is absent in animal cells.

The plant cell wall is made up  cellulose which is a structural carbohydrate. The cell wall is rigid and thus offers structural support allowing plant such as trees to grow to great heights.

It also helps prevent water loss, helps protect against insects and pathogens and keeps the shape of the plant.

the answer to this question is B because im doing a bilogy test right now as u read this :)

A substance that releases hydrogen ions in water is a base. True or false?

Answers

Answer: FALSE

Explanation:

An acid is a substance which donates H⁺ (hydrogen) ions when are added to water or any other solution. The amount of H⁺ions liberates per acid molecule defines the acidity of the acid like weak or strong. The base is a substance which donates OH⁻ ions (hydroxide ions ) in the solution or water.        

No it is false. Because any substance is base what include OH. If it releases H ion, it should be acid.

The _____ theory explains how our universe became so structured and uniform.big bang
inflation
steady state
oscillating

Answers

Inflation theory is the theory explains why our universe is structured and uniform and suggests that the universe is flat in shape. According to that theory, the universe expanded exponentially fast for a fraction of a second after the Big Bang.

inflation theory is correct i know this because the exact definition of the inflation theory is: theory that upholds the big bang theory, but suggests there was an extremely rapid expansion milliseconds after the big bang

Darwin hypothesized that new species could appear gradually through small changes in an ancestral species.what experiment did he conduct to test this hypothesis?

Answers

Answer;
He conducted an experiment with breeding pigeons. 

Explanation;
The pigeons provided the perfect animal to test his theory of selection for quite a number of reasons including its trait diversity from wing structures to color patterns to size to flight patterns. From these experiments he concluded that by natural selection of randomly occurring traits that make species better suited for survival and reproduction, evolve in the astounding diversity of organisms on Earth today. 

Answer:

I think that the answer is B

Which statement is evidence used to support the endosymbiotic theory

Answers

correct-mitochondira and chloroplasts contain their owm DNA

wrong-mitochondria and chloroplasts are surrounded by one membrane

wrong-mitochondria and chloroplasts reproduce similar to eukaryotic cells: through mitosis
what are the following statement answers after that question?
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