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3 years ago

Because of the arrangement of carbons electrons it tends to from long ?

Biology

1 answer:

Helga [31]3 years ago

7 0

Because of the arrangement of carbons electons it tends to form long Bonds.

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When a living organism dies, it stops taking in new carbon. Thus, as the radioactive carbon-14 decays, the ratio of carbon-12 to

Alexxandr [17]

Answer: The fossil is 11459 years old.

Explanation:

Half-life of carbon-14 = 5700 years

First we have to calculate the rate constant, we use the formula :

$k=\frac{0.693}{5700\text{years}}$

$k=1.21\times 10^{-4}\text{years}^{-1}$

Now we have to calculate the age of the sample:

Expression for rate law for first order kinetics is given by:

$t=\frac{2.303}{k}\log\frac{a}{a-x}$

where,

k = rate constant = $1.21\times 10^{-4}\text{years}^{-1}
t = age of sample = ?
a = let initial amount of the reactant = 100 g
x = amount decayed = 75 g
a - x = amount left after decay process = 100 - 75 = 25 g Now put all the given values in above equation, we get
[tex]t==\frac{2.303}{1.21\times 10^{-4}}\log\frac{100}{25}$

$t=11459years$

The fossil is 11459 years old.

4 0

2 years ago

Prokaryotic cells reproduce by

iogann1982 [59]

<span>Prokaryotic cells reproduce by</span> binary fission , which includes the chromosomes splitting into two equal parts.

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3 years ago

Which goes where ? Mitosis Vs. Meiosis

nika2105 [10]

Answer:

Mitosis, Meiosis, and both are written below

Explanation:

Mitosis: produces more somatic (body) cells, purpose is for healing and growing, the daughter cells are exact replicas

This is because mitosis occurs in body cells and is used for growth, so all the daughter cells are the same.

Meiosis: results in sex cells (gametes), results in eggs and sperm, purpose is for creating new individuals (eventually), each daughter cell is different, has 2 separate division stages

This is because meiosis occurs in gametes and is used in reproduction.

Both: Chromosomes need to replicate before the whole process begins, a form of reproduction

This is because both are reproducing (they are dividing) and DNA must be replicated so each daughter cell has it.

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2 years ago

Hazards to humans that come into contact with it,

Andrews [41]

Number 1 to 5 which would be that then answer

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2 years ago

Storing too much subcutaneous fat is more likely to lead to health problems than storing too much visceral fat. storing too much

Ivanshal [37]

B) False, Visceral Fat is more dangerous than Subcutaneous Fat that lies just under the skin around the belly, thighs and rear.

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3 years ago