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ankoles [38]
2 years ago
5

Which of the following statements BEST describes the function of the large ears of an elephant?

Chemistry
2 answers:
Marina CMI [18]2 years ago
8 0
D one defines its best uwu
mash [69]2 years ago
6 0
Not exactly sure, but i think it might be b.

i say this because it says which best describes the FUNCTION of the large ears.

the other options just tell me about the structure of the ear.
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A nuclear waste site. cesium-137 is a particularly dangerous by-product of nuclear reactors. it has a half-life of 30 years. it
hram777 [196]
The mass decay rate is of the form
m(t) = m_{0} e^{-kt}
where
m₀ = 3000 g,the initial mass
k = the decay constant
t = time, years.

Because the half-life is 30 years, therefore
e^{-30k} =  \frac{1}{2} \\\ -30k = ln(0.5) \\ k =  \frac{ln(0.5)}{-30} =0.0231

After 60 years, the mass remaining is
m = 3000 e^{-0.0231*60} = 750 \, g

Answer: 750 g

4 0
3 years ago
Please help I will give brainiest
Sergio [31]

Answer:

Answer

Answer is option B coz da negative charge r more thn positive

8 0
3 years ago
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The polar jet stream is an air current that flows across North America. It flows much faster in winter than it does in summer. W
krok68 [10]

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Explanation:

7 0
3 years ago
What is the molarity of an aqueous solution containing 1.5 moles of calcium chloride in 2.75 L of solution? A. 0.004 M B. 0.55 M
kondor19780726 [428]

Answer:

B. 0.55 M

Explanation:

Step 1: Given data

  • Moles of calcium chloride (solute): 1.5 mol
  • Volume of solution: 2.75 M

Step 2: Calculate the molarity of the aqueous solution

The molarity is a way to express the concentration of a solution. It is equal to the quotient between the moles of solute and the liters of solution.

M = moles of solute / liters of solution

M = 1.5 mol / 2.75 L = 0.55 mol/L = 0.55 M

6 0
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What determines the length of each period in the periodic table?
4vir4ik [10]
The number of electrons that can occupy the sub levels being filled by that period
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