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kramer
2 years ago
9

6. Contractions of the myocardium pump __________________ through the circulatory system.

Biology
1 answer:
malfutka [58]2 years ago
3 0

Answer:

blood

Explanation:

Contractions of the myocardium pump blood through the circulatory system.

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Margaret [11]

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An increase in science knowledge would benefit society and everyone who lives in it. As science progresses, more developments and innovations will happen, which may bring up issues and debates around them. A society with a higher science literacy would be able to make better judgement and decisions being more knowledgeable.

Explanation:

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option c. produce their own light.

8 0
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27. In 1986, a meltdown of a nuclear reactor in the city of Chernobyl, in Ukraine, released highly radioactive chemicals into th
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6 0
3 years ago
farenholz's rule is supported when group of answer choices a comparison of phylogenies for host and parasite show a correlated p
coldgirl [10]

Fahrenholz's rule is supported when: comparison of phylogenies for host and parasite show a correlated pattern of evolution

<h3>What is Fahrenholz's rule ?</h3>

The close correspondence is observed between the taxonomy of parasites and their hosts and this has led to Fahrenholz's rule. This rule postulates that parasites and the hosts speciate in synchrony.

This leads to a prediction that phylogenetic trees of parasites and their hosts are topologically identical.

when the only events in the process of reciprocal natural selection in the host and parasite lineages were those of contemporaneous speciation in both the lineages then host and parasite phylogenies are fully congruent, hence supporting Fahrenholz'srule.

To know more about evolution refer

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8 0
8 months ago
2. In the SN1 mechanism, the second step is attack of the nucleophile, so increasing the nucleophile concentration should speed
zysi [14]

Answer:

The rate of reaction depends on the rate determining step of a nonelementary reaction

Explanation:

A non elementary reaction is a reaction that proceeds in a sequence of steps. One of the steps is usually the slowest step in the reaction sequence. This slowest step is called the rate determining step. In an SN1 reaction, the rate determining step is the formation of the carbocation, the concentration of the carbocation affects the rate of reaction because it is involved in the rate determining step. The attack of the nucleophile is a fast step and does not affect the rate of reaction.

4 0
2 years ago
Read 2 more answers
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