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Pavlova-9 [17]
2 years ago
7

When the solar system was very young, the sun was just being formed and planets had not yet been made.

Biology
1 answer:
Elenna [48]2 years ago
7 0

Answer:

yes you are wright

Explanation:

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Carbon-14 has a half-life of 5730 years. A sample of wood has been recovered by an archaeologist. The sample is sent to a labora
givi [52]

Answer: 4282.928 = 4283 years

Explanation:

Data given;

Carbon 14 half life = 5740

No (initial radiation) = 0.230 Bq/g

Nf (final radiation) = 0.137 Bq/g

First we find the decimal fraction of the remaining half life of the carbon 14

k = No / Nf

k = (0.137 / 0.230) = 0.595652

So to find how many half-life has elapsed, we say

(1/2)^n = k

(1/2) ^n = 0.595652

Therefore

n log 0.5 = log 0.595652

n = ( log 0.595652) / ( log 0.5)

n = 0.747457

To get the elapsed time or how old the sample is;

We say

Carbon 14 half-life × n

5730 yrs × 0.747457

= 4282.928

= 4283 years.

So the sample of the wood is 4283 years old.

4 0
3 years ago
Does anyone know the answers?
Ratling [72]
A. T-A-C-G-A-T

A and T pair together, and G and C pair together. There are no U’s because U’s are in RNA, not DNA.
6 0
3 years ago
The cell cycle involves the growth, replication, and division of a eukaryotic cell. Mitosis most directly plays a role in
inna [77]
The cell cycle involves the growth, replication, and division of a eukaryotic cell. Mitosis most directly plays a role in the division of a cell's nucleus. 
Mitosis is the process that takes place in the somatic cells or the body cells, where the diploid cells divides to yield two diploid daughter cells. The process occurs in five stages which includes; interphase, prophase, metaphase, anaphase and telophase. 
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Read 2 more answers
2. Name three plants that reproduce by vegetative propagation.
baherus [9]
Hens, chickens, and coleus
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What codes for proteins?
Tju [1.3M]

Answer:

b

Explanation:

The R in RNA stands for Ribosomes which are proteins.

7 0
3 years ago
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