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iVinArrow [24]
3 years ago
8

How are Zinc and Sodium alike

Biology
2 answers:
Wittaler [7]3 years ago
7 0

Zinc: Is Solid at room temperature

Zinc: Is a toxic heavy metal

Sodium: Is solid at room temperature

Sodium: Is a toxic heavy metal

Hope this helps! :)

GraceRosalia

marusya05 [52]3 years ago
6 0

Answer:

they both are solid at room temperture

Explanation:

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I believe that would be irritability.
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Which of the following is responsible for transmitting an impulse across a synapse to another cell? A. Thresholds B. Dendrites C
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The correct answer among the choices is letter C.
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4 years ago
While alive, an organism absorbs (radioactive) carbon 14 at such a rate that the proportion of carbon 14 in the organism remains
Inga [223]

Answer:

The person has been dead for approximately 15,300 years

Explanation:

<u>Available data</u>:

  • The half-life of carbon 14 is 5,600 years
  • The human skeleton level of carbon 14 is 15% that of a living human

To answer this question we can make use of the following equation

Ln (C14T₁/C14 T₀) = - λ T₁

Where,

  • C14 T₀ ⇒ Amount of carbon in a living body at time 0 = 100%
  • C14T₁ ⇒ Amount of carbon in the dead body at time 1 = 15%
  • λ ⇒ radioactive decay constant = (Ln2)/T₀,₅
  • T₀,₅ ⇒ The half-life of carbon 14 = 5600 years
  • T₀ = 0
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Let us first calculate the radioactive decay constant.

λ = (Ln2)/T₀,₅

λ = 0.693/5600

λ = 0.000123

Now, let us calculate the first term in the equation

Ln (C14T₁/C14 T₀) = Ln (15%/100%) = Ln 0.15 = - 1.89

Finally, let us replace the terms, clear the equation, and calculate the value of T₁.

Ln (C14T₁/C14 T₀) = - λ T₁

- 1.89 = - 0.000123 x T₁

T₁ = - 1.89 / - 0.000123

T₁ = 15,365 years

The person has been dead for approximately 15,300 years

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pretend that you touch a hot pan on the stove, and you immedentially pull your hand away without thinking about it. in this scen
slamgirl [31]

Answer:

The stimulus the thing that stimulates you is the hot pan because you were du.mb and decided to touch the hot pan. The response is you yanking your hand away from the heat because for some reason you thought touching a hot pan was a good idea.

Explanation:

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