What one key characteristic forces amphibians to spend part of their lives in or near water?

Answers

Answer 1
Answer:

Answer:While caecilians have scales similar to fish, most other amphibians have moist, permeable skin. This forces most species to live in moist or aquatic habitats; otherwise, they would quickly dehydrate as water is lost through the skin.

Explanation:


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Which of the following is a term for harassing or threatening behavior toward a specific victim that the perpetrator engages in repeatedly?1.stalking
2.larceny
3.mugging
4.abuse

Answers

1. and 4. I believe. 

Explain how healthcare professionals can attempt to equalize the unequal partnership.

Answers

Answer: The healthcare professionals can help equalize the unequal partnership between the adult patient and the provider by using preventive care services and promoting communication that can be directed to an institutional culture that normalizes appropriate assertive responses to stereotyping and ratifying adult patient’s life experience through health care personnel training. With this, they can educate both adult patient and the provider to become more mindful of cues that induce stereotypical thinking.

Explanation:

If 16 + 4x is 10 more than 14, what is the value of 8x ?A) 2
B) 6
C) 16
D) 80

Answers

Answer: C

Explanation:

C

Answer:

16

Explanation:


16+ 4x = 10+14=24
=> 4x = 24-16 = 8
=> 4x *2 = 8*2 = 16
=> 8x = 16

Which chemical or physical change is an endothermic process? the burning of a candle the condensing of gaseous water on a glass filled with a cold liquid the melting of an ice cube the rusting of an old car.

Answers

The  reaction that can be regarded as the endothermic reaction is the melting of the ice cube. Thus, option C is correct.

What is an endothermic process?

The endothermic process is given as the reaction, in which the energy is absorbed by the system from the surrounding.

The endothermic reaction results in the conversion of the reaction to a lower temperature. The  reaction that can be regarded as the endothermic reaction is the melting of the ice cube. Thus, option C is correct.

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Answer: C. The melting of an ice cube

Explanation: Just trust!

Which addition expression has the sum 8 – 3i ? (9 2i) (1 – i) (9 4i) (–1 – 7i) (7 2i) (1 – i) (7 4i) (–1 – 7i)

Answers

Considering the definition and sum of complex numbers, the sum (9 + 4i) + (–1 - 7i) gives as a result 8 -3i.

Complex numbers are combinations of real numbers and imaginary numbers.

In other words, complex numbers are numbers that have a real part and an imaginary part.

The most common representation of a complex number is the sum of a real part and an imaginary part. At the same time, the imaginary part is divided between the imaginary part and the imaginary unit:

z = a + bi

where

  • a is a real number.
  • b is the imaginary part.
  • i is the imaginary unit.

This expression is called the binomial form of the complex number z.

To add two or more complex numbers, you simply have to add the real and imaginary parts separately. That is, being z1 = a + bi and z2 = c + di, the sum of both complex numbers is calculated as:

z1 + z2 = (a + c) + (b + d) i

In this case, to obtain 8 -3i you have to sum:

(9 + 4i) + (–1 – 7i)= (9-1) + (4-7)i= 8 - 3i

So, the sum (9 + 4i) + (–1 - 7i) gives as a result 8 -3i.

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Answer:

B- (9 + 4i) + (–1 – 7i)

Explanation:

:)

To compare the average amount of time that canadians and americans spend commuting, a researcher collects a sample of canadians and americans. The canadians spend an average of hours a week commuting, with a standard deviation hours. The mean and standard deviation for the sample of americans is hours and hours, respectively. The standard error of the difference of sample means is:.

Answers

The standard error of the difference of sample means is 0.444

From the complete question, we have the following parameters

Canadians

  • Sample size = 50
  • Mean = 4.6
  • Standard deviation = 2.9

Americans

  • Sample size = 60
  • Mean = 5.2
  • Standard deviation = 1.3

The standard error of a sample is the quotient of the standard deviation and the square root of the sample size.

This is represented as:

SE = (\sigma)/(\sqrt n)

The standard error of the Canadian sample is:

SE_1 = (2.9)/(√(50))

So, we have:

SE_1 = 0.41

The standard error of the American sample is:

SE_2 = (1.3)/(√(60))

So, we have:

SE_2 = 0.17

The standard error of the difference of sample means is then calculated as:

SE= √(SE_1^2 + SE_2^2)

This gives

SE= √(0.41^2 + 0.17^2)

SE= √(0.197)

Take square roots

SE= 0.444

Hence, the standard error of the difference of sample means is 0.444

Read more about standard errors at:

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