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madreJ [45]
2 years ago
8

Deoxygenated blood travels to the lungs through the.

Biology
1 answer:
NARA [144]2 years ago
7 0

Explanation:

Pulmonary Arteries where the blood is re-oxygenated.

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1.what did magnesium and oxygen atoms had to do to bond ?
devlian [24]

Answer:

1. Magnesium and oxygen atoms bond to form an ionic compound; this is evident because one forms a cation and the other an anion. When an ionic compound is formed, one atom "steals" an electron (or electrons) from another. In this case, an oxygen atom (which is pretty electronegative by the way) "steals" 2 electrons from a magnesium atom. The resulting oxygen anion and magnesium cation attract one another to form a bond (more specifically, an ionic one).

2. The oxygen atom needed two sodium atoms to bond because it needs two additional electrons to achieve a stable octet of electrons. 1 sodium atom provides 1 additional electron after it is "stolen" by oxygen, so 2 sodium atoms are needed in total to form the bond.

3. The magnesium atom needed two fluorine atoms to bond because it needs to lose two electrons to achieve a stable configuration/octet of electrons. 1 fluorine atom "steals" one electron, so 2 are needed in total.

Happy Holidays!

7 0
3 years ago
Vitamins and minerals keep the blood healthy. Which part of the blood carries minerals, vitamins, and other nutrients to the bod
morpeh [17]
The plasma carries these substances.
6 0
3 years ago
Karen is a forensic scientist whose purpose is to identify and evaluate physical evidence. Which of the following tasks does she
Gwar [14]

Answer: A. reporting results of scientific analysis.

A physical evidence, also called real evidence. It is a tangiable evidence, which can be touched, picked and collected from the scene of crime or any other place. It can be used to prove a crime has occurred. Physical evidences includes fingerprints, footprints, fibers, paint and building materials.

A specimen sample is taken from the suspects or victims and compared with suspected samples obtained from the scene of crime. The comparitive analysis of physical evidences can be used as a scientific evidence against criminal.

Therefore, reporting results of the scientific analysis is the task she should perform.

3 0
3 years ago
Which part of the electromagnetic spectrum can humans see with the naked eye? Infrared light
aalyn [17]
I am going with x-rays; it is the most visible to the naked eye out of all the choices.
7 0
3 years ago
Read 2 more answers
4. Is being struck by lightning always fatal? What are a person's chances of surviving?​
Mrrafil [7]

Although it's rare, with the odds of getting struck in your lifetime being roughly 1 in 12,000, every now and then a human will provide an attractive target for lightning bolts to unleash their power. And of the roughly 500 people who are struck by lightning each year, about 90 percent survive.

4 0
3 years ago
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