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nignag [31]
3 years ago
6

Which best explains how Ivanovski’s work led to a change in the germ theory?

Biology
2 answers:
hichkok12 [17]3 years ago
4 0
The best option is B He used a new experimental method to test his hypothesis. 
Sati [7]3 years ago
4 0

Answer: He used a new experimental method to test his hypothesis.

Explanation:

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How do organisms get their DNA?
Reil [10]
<h2>Answer </h2>

DNA are found in the cells of all living organisms

<u>Explanation</u>

DNA is a complex molecule consisting of many components which are passed from parent organisms to their offsprings during the process of reproduction. The DNA contains instruction needed for an organism to develop survive and reproduce. DNA is deoxyribonucleic acid and is contained in your body's cells. From microscopic view they are double, large cable of particles termed as nucleotides. This show the cell what proteins to produce in the living organism. Hence, all living things have DNA within their cells.

6 0
3 years ago
The ultimate source of energy for starting the food chain is: 1glucose 2starch 3ATP 4in cells solar
balu736 [363]
The ultimate souce of energy for the food chain is solar energy from the sun. It allows plants to convert the solar energy to chemical energy for growth. The growing plants in turn allow heterotropic animals to consume them to obtain energy of their own.
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3 years ago
What term is used to describe the movement caused by rhythmic contractions of the muscular wall of the gastrointestinal tract?
Firdavs [7]
The word is scientifically termed as Peristalsis.
3 0
3 years ago
The half — life of nickel is 96 years. How much of a 30-gram sample is left after 270 years?
-Dominant- [34]

The amount of the 30 gram-sample that will remain after 270 years is 6.61 grams

<h3>How to determine the number of half-lives </h3>

We'll begin by obtaining the number of half lives that has elapsed. This can be obtained as follow:

  • Half-life (t½) = 96 years
  • Time (t) = 270 years
  • Number of half-lives (n) =?

n = t / t½

n = 270 / 99

n = 2.8125

<h3>How to determine the amount remaining </h3>
  • Original amount (N₀) = 30 grams
  • Number of half-lives (n) = 2.8125
  • Amount remaining (N) =?

The amount remaing can be obtained as follow:

N = N₀ / 2^n

N = 30 / 2^2.8125

N = 6.61 grams

Learn more about half life:

brainly.com/question/26374513

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5 0
1 year ago
Which body type generally would have the highest ratio of water content to total body mass? muscular female thin male muscular m
Alina [70]
<span>Body fat directly influences total body water. The influence of age, gender and fitness is also relative. Women and older persons tend to be lower on total boy water because they have lower fat free masses. Athletes tend to have higher total body water, therefore a younger athletic male would have the highest.</span>
5 0
3 years ago
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