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CaHeK987 [17]
3 years ago
8

Please Help! ESSAY: How does a seismograph work? (The essay needs to be 5 sentences)

Biology
1 answer:
Rainbow [258]3 years ago
3 0

Answer:

Seismographs record seismic waves. They contain a weight and a pen attached to a spring. The seismograph is bolted to the ground so during an earthquake it moves with the ground, whilst the weight and pen remain still. The pen moves across a rotating paper roll recording the seismic waves.

Hope this helped, have a good day

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Can small trees contribute oxygen?
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Yes, because even though other trees produce more oxygen, the small trees will still produce some oxygen. On top of this there are more small trees than big trees, so even though they make less oxygen, in whole they end up making more when added together!
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3 years ago
Which chromosomal defect is caused when part of a chromosome breaks off and reattaches backward on the same chromosome?
LiRa [457]

The right answer is inversion.

Inversion is a genetic mutation characterized by the end-to-end reversal of a portion of chromatid on a chromosome.

In other words, it is a double break then it is replaced after rotation of 180 ° of a chromosome segment (backward insertion).

We distinguish :

Paracentric inversions:  The centromere in the chromosome is not included in the inversion.

Pericentric inversions:  The centromere is included in the inversion which transforms a metacentric chromosome into an acrocentric chromosome.

8 0
3 years ago
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Get Creative The Easy Way
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Answer:

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Explanation:

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Mandarinka [93]

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Explain why some of the trees in the plantation are dying​
GrogVix [38]

Explanation:

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