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4 years ago

When some amphibians mature they live on land because

Biology

1 answer:

Sergio039 [100]4 years ago

3 0

<span>When some amphibians mature they live on land because they eat arthropods and they find them on the land. </span>

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25. A post-doctoral research student is working with a culture of bacteria that doubles in size every 72 hours. The initial popu

ale4655 [162]

Answer:

$P=750 e^{0.00963t}$

The population size would be 753,190 after 30 days

Explanation:

Since, the population growth function is,

$P = P_0 e^{rt}$

According to the question,

if t = 0, P = 750,

$\implies 750 = P_0 e^0\implies P_0 = 750$

Also, if t = 72, P = 1500,

$\implies 1500 = P_0 e^{72r}\implies 1500 = 750 e^{72r}\implies 2 = e^{72r}\implies \ln 2 = 72r\implies r = \frac{\ln 2}{72}\approx 0.00963$

Hence, the required function would be,

$P=750 e^{0.00963t}$

If t = 720 hours ( 30 days = 720 hours ),

Then, the population after 30 days would be,

$P=750 e^{0.00963\times 720}=750 e^{6.912}=753190.30695\approx 753190$

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3 years ago

Compared to modern Homo sapiens, archaic Homo sapiens has a Group of answer choices smaller nasal aperture, a small occipital bo

galina1969 [7]

Answer: d

Explanation: please mark me brainlyest

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2 years ago

Which statement is one of the three parts of cell theory

Pavel [41]

First cell theory

All living things are composed of cells

Second cell theory

Cells are the basic unit of structure and function in living things

Third cell theory

All cells are produced from other cells

Therefore, I believe the correct answer would be choice A.

I hope this helps you and have a great day!! :)

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3 years ago

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Researchers have discovered that children diagnosed with adhd have a decrease in size of the left prefrontal cortex of the brain

Evgesh-ka [11]

Left prefrontal cortex

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3 years ago

What is the process of heating food to a temperature that kills harmful bacteria

zlopas [31]

Answer:

Pasteurization

Explanation:

Pasteurization involves heating liquids at high temperatures for short amounts of time. Pasteurization kills harmful microbes in milk without affecting the taste or nutritional value (sterilization= all bacteria are destroyed).

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3 years ago

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