BIOLOGY HIGH SCHOOL

Question 17 A dilute solution has _____ of solute in the solvent.

A)a large amount

B)a small amount

C)an unlimited amount

D)none of these

Answers

Answer 1
Answer:

Answer:

A dilute solution has less amount of solute in the solvent. Therefore, the correct answer to the question is option B.  

Explanation:

A solution is defined as a mixture of the solute and solvent. The concentration of solution depends upon the solute as well as solvent. A solution is known as to be dilute when there is less amount of solute and more amount of solvent.

A solution is said to be consulted when there is more amount of solute and less amount of solvent. Therefore, we can see that concentration of the solution is dependent upon the solute amount. In a solution a solute is present in in little less amount as compared with the solvent.  
Answer 2
Answer: A. A large amount :)

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If the birth rate is 10 per 1,000 and the death rate is 10 per 1,000,then the growth rate is A.20%
B.10
(C.0%)
D.100%

Answers

Answer:  C. 0%

Explanation:

  • Birth Rate is the fraction of the number of babies born every year per 1000 individuals in a population.
  • Death Rate is the fraction of the number of deaths every year per 1000 individuals in a population.

Given: The birth rate = 10 per 1,000

The death rate = 10 per 1,000

Since the birth rate and the death rate both are same then there is no change in the population.

Therefore , there must be zero percent population growth or decay.
If the birth rate is 10 per 1000 and death rate is rate is 10 per 1000 then the growth rate is C 0

The observation of tool-making among chimpanzees led several scientists to reconsider the definition of what it is to be human

Answers

Is your question whether this statement is correct or false?

This statement is correct.

For a long time, humans believed that they and they alone could use tools, and using tools was used to distinguish human species from other species. If Chimpanzees can use tools too, then we either have to admit that they're human too or change our understanding of what human means.

Answer:

true

Explanation:

Which of the following organs is in the abdominopelvic cavity? A) The heart B) The trachea C) The thymus D) The liver

Answers