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Bad White [126]
3 years ago
13

What is the definition of chrysalis?​

Biology
1 answer:
sdas [7]3 years ago
4 0
A quiescent insect pupa, especially of a butterfly or moth. - Online dictionary
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The shells of clams and other mollusks _____. dissolve when the pH becomes more basic dissolve when the pH becomes more acidic m
Juliette [100K]

The correct answer is that the shells of clams and other mollusks dissolve when the pH becomes more acidic.

This is because the shells of clams and other mollusks are made of calcium carbonate that is dissolved in acidic conditions. The pH  needs to be low to dissolve calcium carbonate into it. It takes few days to dissolve the shell completely.

6 0
3 years ago
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Which of the following can lead to coral bleaching?
Andru [333]

Answer:

increased solar radiation

Explanation:

during summer the solar radiation can increase the bleaching of shallow living corals as tides gets lower the solar radiation increases

8 0
2 years ago
Which of the following is the first principle of cell theory?
Oksanka [162]
The first part states that all organisms are made of cells.
4 0
3 years ago
Which process do plants use to turn sunlight into food energy
dem82 [27]
I think that it's Photosynthesis?
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3 years ago
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. Your lab technician was to determine the ash content of buttermilk by conventional dry ashing. The technician weighed 5 g of l
expeople1 [14]

Answer:

Ashing process is done to evaluate the ash content present in petroleum or other proucts, so that they can be used for certain applications

The two major types of ashing process that includes dry ashing and wet ashing and can be performed using microwave systems or conventional means.

a. errors made in the preceding method while determining the ash content of buttermilk by conventional dry ashing are as following:

  • Buttermilk should not immediatly put into muffle immediatley, it should be boiled first to avoid splatter.
  • Temperature should be between 500 to 600 degree celcius at high temperature teh ash content can be loss.
  • The sample should be ashed for 12-18 hrs , more than this can damage the required ash content.
  • platinum tip should be used in place of stainless steel because platinum has a lower concomitant tip impedance than stainless stell, so less reactive to ash.
  • The ash should put in dessicator and not allow to kept in open because ash can react with the humidity in teh atmosphere.

b. The result that occur due to above errors such as the temperature, time,  tongs and leaving ash in open will manipulate the final ash content and its application can be harmful for humans and for other purpose if it will be used.

5 0
3 years ago
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