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hjlf
3 years ago
13

Pacemakers maintain the heartbeat in people who suffer from certain defects. The function of an artificial pace is to send elect

rical impulses that will contract the heart muscles and regulate the pumping of the heart. Which condition could be corrected by a pacemaker?​
Biology
2 answers:
tia_tia [17]3 years ago
4 0
Abnormal heart rhythms?
wariber [46]3 years ago
3 0

Answer:

The individual’s sinoatrial node ceases to function.

Explanation:

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The oldest oceanic crust is
Dafna11 [192]

The oldest oceanic crust is found at the mid-ocean ridges. Thus, option "A" is correct.

<h3>How old is the youngest oceanic crust?</h3>

The ocean crust is about younger than 200 million years (for example, smaller than 5% of the age of the earth).

The crust is most naive (still being created by volcanic eruptions) along the axis of the mid-ocean ridges and increases in age down the sides of the mid-ocean rises and out onto the more serious basin floors.

Thus, option "A" is correct.

To learn more about oceanic crust  click here:

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3 0
2 years ago
What is a reasonable action that provides safer water for communities?
Ulleksa [173]

Answer:

1.Improve sanitation facilities by providing toilets and latrines that flush into a sewer or safe enclosure.

2.Promote good hygiene habits through education. ...

3.Implement rainwater harvesting systems to collect and store rainwater for drinking or recharging underground aquifers.

4 0
3 years ago
How many eggs does a chicken lay per day? I am starting an allotment with my uncle. He claims that a vet has been giving him inf
kiruha [24]
A chicken can only lay one egg a day. my friend mother has chickens thats how I no.
8 0
3 years ago
genes and inheritance Chap 7 s . How can an individual carry a defective gene but not exhibit the defective phenotype? a. An ind
dalvyx [7]

Answer:

a) B b) D c) A

Explanation:

Alleles exhibit dominance over each other leading to the dominant one being express and the recessive one not expressed. Alleles are  variants (different) genes that codes for a specific trait.

At Anaphase 1 homologous chromosomes separate leading to each being pulled to the opposite pole and the sister chromatids remain together while the homologs experience segregation.

Dominant trait is the one that is expressed. It usually exercise dominance over recessive trait until it is removed from the recessive trait and replaced with another recessive gene before it is expressed.  

4 0
3 years ago
Read 2 more answers
PLEASE PLEASE HELP
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sut up boto!

(or if your not a bot, satelilite images.)

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2 years ago
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