BIOLOGY HIGH SCHOOL

What is caused by the disturbance of a supersaturated solution?A. instability
B. an explosion
C. liquefaction
D. precipitation

Answers

Answer 1
Answer: I think the correct answer from the choices listed above is option D. Precipitation is caused by the disturbance of a supersaturated solution. It happens because the solvent can no longer dissolve more of the solute so instead of being in the solvent it precipitate out.
Answer 2
Answer:

Answer:

d

Explanation:

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When the cell concentrates potassium within, against the natural tendency of matter, it is performing _____. a. passive diffusion
b. facilitated diffusion
c. active transport
d. pinocytosis

Answers

When the cell concentrates potassium withing, against the natural tendency of matter, it is performing active transport. The correct answer is C. 

Answer: C. active transport

Explanation:

Which area of the brain is the slowest to develop?

Answers

Answer:

The prefrontal cortex

Explanation:

The prefrontal cortex, which is responsible for higher-order cognitive functions such as decision-making, planning, impulse control, and reasoning, is generally the slowest area of the brain to develop. Its development continues into early adulthood, with significant changes occurring throughout adolescence. This delayed development of the prefrontal cortex is often associated with the development of executive functions and the ability to make complex decisions, which is why teenagers and young adults may sometimes exhibit impulsive behavior or have difficulty with long-term planning.

Krusty was told that a certain itching powder wasthe newest best thing on the market, it even claims
to cause 50% longer lasting itches. Interested in
this product, he buys the itching powder and
compares it to his usual product. One test subject
(A) is sprinkled with the original itching powder,
and another test subject (B) was sprinkled with the
Experimental itching powder. Subject A reported
having itches for 30 minutes. Subject B reported to have itches for product.
45 minutes.
X
Identify the-
16. Control Group
17. Test Variable (Independent Variable)
18. Outcome Variable (Dependent
Variable)
19. Explain whether the data supports
the advertisements claims about its

Answers

Answer:

(16)Control Group: Subject A, who was sprinkled with the original itching powder, serves as the control group. This group represents the standard or usual product that Krusty uses and is used as a baseline for comparison.

(17)Test Variable (Independent Variable): The test variable or independent variable in this experiment is the experimental itching powder. Subject B was sprinkled with this experimental powder, which is the variable being tested.

(18)Outcome Variable (Dependent Variable): The outcome variable or dependent variable in this experiment is the duration of the itch. It is the factor that is measured or observed as a result of the manipulation of the independent variable. In this case, the duration of the itch is recorded for both Subject A and Subject B.

(19)Explanation of Data Supporting the Advertisement Claims: Based on the provided data, Subject B, who was sprinkled with the experimental itching powder, reported having itches for 45 minutes, while Subject A, who received the original itching powder, reported itches lasting for 30 minutes. The data suggests that the experimental itching powder caused longer-lasting itches compared to the original product. This supports the claim made in the advertisement about the experimental powder causing 50% longer lasting itches.

Final answer:

The control group is Subject A, the test variable is the experimental itching powder, and the data supports the advertisement claims.

Explanation:

The control group in this experiment is Subject A, who was sprinkled with the original itching powder. The test variable, or independent variable, is the experimental itching powder used on Subject B. The outcome variable, or dependent variable, is the duration of the itches reported by each subject.

The data suggests that the advertisement claims about the experimental itching powder causing 50% longer lasting itches are supported. Subject B, who was sprinkled with the experimental itching powder, reported having itches for 45 minutes compared to Subject A, who had itches for 30 minutes with the original itching powder.

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Which school of thought studies how cognitive processes help people and animals develop habits?a. psychoanalytic theory
b. functionalism
c. Gestalt psychology
d. behaviorism

Answers

The right option is b. functionalism

Functionalism is the school of thought that studies how cognitive processes help people and animals develop habits. Functionalism is a theory concerned with the nature of mental states where mental states are recognized by their functional role through its organization rather than by what they are made of. Functionalism maintains the standard objective that mental states are internal states of thinking creatures when compared with behaviorism.


Behaviorism is the learning theory that focuses on observed behavior. Believed that one's responses are based upon what goes on around them, and then in turn ultimately shapes one's actions. By figuring out what environmental stimuli trigger some habits or behavior, you can therefore change and remold reactions.

If you flipped a penny 99 times and each time it came up heads, then the chance of the penny coming up heads again is ____ . 50% 1% 100% 25%

Answers

The chance of coming up heads 99 times in a row is abysmally small: 50%^99 = 1.57 * 10^-30.This however has already happened, it does not influence the next penny flip.A penny has two sides, so the chance of it landing on one side is 1/2 = 0.5 = 50%.So the result of the next flip has a chance of 50% of coming up heads.

What is the anaerobic respiration equation in symbol?

Answers

Answer:

C6H1206=2C2H5OH+2CO2+energy

Explanation:

Answer:

for plant anaerobic resp.

C6H12O6 =====>2C2H5OH + 2CO2 + ATP

(ethanol, carbon dioxide and energy as by-products)

for animal anaerobic resp.

C6H12O6 ======> 2C3H6O3 + ATP

(lactic acid and energy as by-products, No carbondioxide is released).
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