BIOLOGY HIGH SCHOOL

Which of the following describes why wetlands are important to the water cycle?A.Dense vegetation helps filter out pollutants in the water.
B.Open meadows help to filtr out pollutants in the water.
C. Dense vegetation allows for biological magnification in the water.
D. Open meadows allow for biological magnification in the water.

Answers

Answer 1
Answer: C and D are not good answers: biological magnification is not something to be desired, as it makes pesticides and heavy metals more pronounced as they move up the food chain.

Among A and B A is the better answer: the vegetation is dense and this helps to filter out pollution.
Answer 2
Answer:

Answer:

a

Explanation:

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Which of the following accurately describes the pH scale? A. The lower the pH is, the more basic the solution is.
B. The lower the concentration of hydrogen ions, the higher the acidity is.
C. The greater the concentration of hydroxide ions, the higher the acidity is.
D. The greater the pH is, the lower the acidity is.

Answers

Well if you haven't found the answer yet it's D, as the pH scale goes from 0-14 where 14 is the most alkaline and 0 is the most acidic. Therefore as you go up the scale, the substance becomes less acidic.

Final answer:

The pH scale measures the acidity or basicity of a solution. The higher the pH, the lower the acidity and the lower the pH, the higher the acidity. It is based on hydrogen ion concentration.

Explanation:

The pH scale is a logarithmic scale used to specify the acidity or basicity of an aqueous solution. It ranges from 0 to 14. A solution with a pH less than 7 is acidic, one with a pH of 7 is neutral, and one with a pH greater than 7 is basic. Therefore, option D is the correct answer. The greater the pH is, the lower the acidity is. The lower the pH, the higher the acidity, and vice versa. This scale is based on the concentration of hydrogen ions (H+) and hydroxide ions (OH-).

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Which of the following is not a physical property of iron? conductivity ability to rust color melting point

Answers

The ability to rust is not a physical property of iron because rusting change the chemical composition of iron.

What is physical property?

  • The property of a metal that leads to the change in the size of the shape of metal but not in the chemical structure or composition of the metal.

Conductivity:

  • It is the property by which metals are able to pass electrons which connected to an electric current source or heat source.

Ability to rust:

  • Iron reacts with oxygen to form iron oxide which is known as rust. In this, the chemical composition of pure iron is changed.

  • Color is the physical appearance and the melting point is the temperature at which solid iron converts to liquid iron but the chemical composition does not change.

Therefore, the ability to rust is not a physical property of iron.

Learn more about the physical properties:

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First, a physical property just identifies it's state, how it looks, color, and that stuff. Let's work on finding that. 

⇔ Ability to rust wouldn't work as a physical property. That one changes the substance, making it a chemical change. So, we know that this can certainly be our answer!

Which of the following statements best supports Mendel's Law of Segregation?Mendel law of segregation

Answers

During gameteformation, the individual alleles that comprise a gene must separate. The correct option is C.

What is law of segregation?

As per Mendel's law of segregation, "during gameteformation, every gene segregates from each other so that each gameteconveys only one allele for each gene." The secondlaw of inheritance is the law of segregation.

During gameteformation, the individual alleles that comprise a gene must separate from each other in a particular way.

Thus, the correct option is C.

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The missing options of the question are:

  • A-individual traits are inherited independently of one another.
  • B-dominant traits are always separated from recessive traits during reproduction.
  • C-the individual alleles that make up a gene must separate during gamete formation.
  • D-breeding two true individuals together always produces offspring‘s with the recessive phenotype

Answer: The answer is C, the individual alleles that make up the gene must SEGREGATE (which means separate) during gamete formation, hence the name “law of segregation”

Explanation: Hope this helps

the best way to reduce wind erosion on a farm is to (A. cut down windbreaks (B. stop planting crops (C. stop irrigating unused fields (D. plant ground cover in unused fields

Answers

The best way to reduce wind erosion on a farm is to plant ground cover in unused fields. The correct option among all the options that are given in the question is the last option or option "D". This plant ground cover will not let the soil get loose and hence it would not be possible for the wind to erode the soil. 

plant ground cover in unused fields

How is urine formed in human being?

Answers

Answer:

Urine is formed in the kidneys through a filtration of blood. The urine is then passed through the ureters to the bladder, where it is stored. During urination, the urine is passed from the bladder through the urethra to the outside of the body.

Explanation:

Our heart is made up of three chambers, called the atria and the venucia.[True]
or
[False]

Answers

Answer:

false

Explanation:

Answer: False

Explanation:
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