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ohaa [14]
2 years ago
8

What was the primary purpose of the trip taken by the HMS Beagle? due tday

Chemistry
1 answer:
IrinaVladis [17]2 years ago
5 0

Answer:

The main purpose of the expedition was to conduct a hydrographic survey of the coasts of the southern part of South America.

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Which of these is the lowest subgroup? kingdom, order, genus, or species.
olga55 [171]
The correct answer is species

6 0
3 years ago
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A sample of hydrogen occupies a volume of 351 mL at a temperature of 20 degrees Celsius. What is the new volume if the temperatu
xeze [42]
Volume of Hydrogen V1 = 351mL 
Temperature T1 = 20 = 20 + 273 = 293 K 
Temperature T2 = 38 = 38 + 273 = 311 K 
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3 years ago
Which form of fossils can preserve the internal structures of an organism?
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Amber preserves animals in dried tree sap

7 0
3 years ago
What is the energy of a photon with:<br> a wavelength of 827 nm? What type of radiation is it?
xeze [42]

Explanation:

Given parameters:

 Wavelength of photon  = 827nm  = 827  x 10⁻⁹m

Unknown:

Energy of the photon = ?

Type of radiation = ?

Solution:

The energy of a photon can be derived using the expression below:

      E = \frac{h c}{wavelength}

h is the Planck's constant = 6.63 x 10⁻³⁴m²kg/s

c is the speed of light = 3 x 10⁸m/s

Insert the parameters and solve;

      E  = \frac{6.63 x 10^{-34} x 3 x 10^{8}  }{827x 10^{-9} }  

       E = 2.4 x 10⁻¹⁹J

Type of radiation:

Near infrared radiation

 

7 0
2 years ago
Myra wants to measure the pH of a sample of drinking water as accurately as possible. What method should she use?
zhenek [66]
Use a strip of paper covered in PH indicating dye.
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2 years ago
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