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belka [17]
3 years ago
8

CAN SOMEONE PLEASE HELP ME!?!?!

Biology
2 answers:
fgiga [73]3 years ago
7 0

Answer:

3) Tempature

Explanation:

Roman55 [17]3 years ago
4 0

Answer:

3) Temperature

4) gill covering opening and closing per minute

5)as temperature rises, the rate of gill covering opening and closing per minute increase until the temperature reaches 27℃ where the rate decreases

Explanation:

4) you can adjust and control the temperature in an experiment

5) you can't control the gill opening and closing rate

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vampirchik [111]
The last one I’m pretty sure, we learned about this last year in science
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3 years ago
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Which of the following is a hydrophobic? A. Water B. Glucose. C. Cl- D. Fat
BlackZzzverrR [31]
Water is Hydro itself , Glucose dissolves in water so its hydrophilic , Cl- makes HCl by reacting with water , only Fat is hydrophilic because u cant make a compound or make fat and water react , they dont react and if u put fat in water or water in fat they keep up with a shape dont mix with each other , so fat is hydrophobic
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Why do you think digestion is more eficient if your sitting up, rather than slumped over or lying down
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The order of the organs is:
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3 years ago
Which value is being measured in the columns labeled fraction remaining and percentage remaining
ahrayia [7]

<u>Question</u>:

Which value is being measured in the columns labeled "Fraction remaining” and "Percentage remaining”?

  1. years of decay
  2. quantity of energy
  3. number of stable atoms
  4. amount of material that has not decayed

<u>Answer</u>:

"Amount of material that has not decayed" being measured in the columns labelled "Fraction remaining” and "Percentage remaining”

<u>Explanation</u>:

The table shown below having explains about the half life , the  amount of sample in both fraction and percentage. The first column named half life elapsed tells  us the the number of half life that that is completed. Half life is the time taken for an element to reduce or decay into half of its initial amount.

The fraction remaining column gives the amount of sample that is left behind  after the half life particular number of half life has completed.  similarly the percentage remaining column gives the amount of sample in percentage. For example, the 5th row tells us that after 4 half life is over \frac{1}{16} th of the sample remained. In percentage it is 6.25%

6 0
4 years ago
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Whats the difference from products and reactants
Semmy [17]

Answer:

The substance(s) to the left of the arrow in a chemical equation are called reactants. A reactant is a substance that is present at the start of a chemical reaction. The substance(s) to the right of the arrow are called products . A product is a substance that is present at the end of a chemical reaction.

Explanation:

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3 years ago
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