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hammer [34]
2 years ago
12

In which direction do arteries carry blood

Biology
1 answer:
nydimaria [60]2 years ago
6 0

Answer:

Arteries carry blood away from the heart

Explanation:

Veins carry the blood back to the heart.

Hope this helps!

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Explain why a hydrogen atom can become either an ion or a part of molecule?
NikAS [45]

<span>If it loses that 1 electron (0 electrons, 1 proton, 1 neutron) it become an ion that is positively charge because it has more protons than electrons. [Ignore the neutrons] </span>

<span>If it gains an electron (2 electrons, 1 proton, 1 neutron) it becomes an ion that is negatively charge because it has more electrons than protons </span>

<span>A molecule - when 2 or more "different" elements combine or when 2 or more of the "same" elements combine </span>

<span>1 proton 1 electron <----- that is considered to be neutral </span>

<span>3 protons, 3 electrons <----- neutral </span>

<span>5 protons 5 electrons <----- neutral </span>

<span>6 protons, 5 electrons <-- positive ion [more protons than electrons] </span>

<span>5 protons, 8 electrons <--- negative ion [more electrons than protons] </span>
8 0
3 years ago
Does the appearance (how they look) suggest common ancestry between the minnow and the cave fish?
ch4aika [34]
No, because two creatures with similar niches can evolve similar traits and appearances despite not having a common ancestor.
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Nataliya [291]
There are many answers to your question but one way is the evaporation cycle.
8 0
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Give several reasons why five trained individuals might come up with different readings
andriy [413]

Various reasons why five trained individuals might come up with different readings are - while carrying out an experiment, the accuracy with which each individual perform an experiment varies. The readings in different instruments used while performing an experiment also differs.

There is certain percentage of error that occurs while carrying out an experiment by each of the individual. Physical conditions such as temperature, pressure changes from one place to another where the experiments are being carried out.

5 0
3 years ago
If chemical signals in the cytoplasm control the progression of a cell to the M phase of the cell ith a cell in early M phase wo
Jlenok [28]

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