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Shalnov [3]
3 years ago
15

Which is a FALSE statement about the blood that leaves the heart through the pulmonary artery?

Biology
2 answers:
miv72 [106K]3 years ago
8 0
I think the answer is A..... ps c and d are the same
Masteriza [31]3 years ago
7 0
Letter A I am certain of it
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The instructions for the traits of an organism are determined by:
romanna [79]

Answer:

In all organisms, the instructions for specifying the characteristics of the organism are carried in DNA, a large polymer formed from subunits of four kinds (A, G, C, and T). ...

Most of the cells in a human contain two copies of each of 22 different chromosomes. ...

Changes in DNA (mutations) occur spontaneously at low rates.

7 0
3 years ago
How do latitude elevation and local geography influence the weather
Agata [3.3K]
Latitude influences your weather by determining which type of weather systems will cross the area and how frequently, elevation influences your weather because higher elevations have lower air pressure than lower elevations, thus allowing the air to be colder on average. Local geography influences your weather due to different areas being nearby mountain ranges, bodies of water, and other things that can create or dissimilate different weather systems.
5 0
3 years ago
If an atom has 15 electrons, how many electrons are in the n=1 energy level?
IRISSAK [1]

Answer:

In the n=1 energy level, the atom has 2 electrons

Explanation:

Electrons orbit the nucleus of an atom in multiple rings (energy levels). The first ring of the electron can only hold 2 electrons. After that, electrons are added to the second ring. Excluding the first ring, all other rings can hold a maximum of 8 electrons.

For example, Oxygen is an atom with 6 electrons. The first energy level contains 2 electrons, and the second energy level contains 4 electrons. The second energy level has room for up to 4 more electrons.

In your example of an atom with 15 electrons, there would be 2 electrons in the first ring, 8 electrons in the second ring, and 5 electrons in the third and final ring.

To summarize, all atoms have a first energy level containing 2 electrons, and all other energy levels can contain 8 electrons. This is true no matter the number of electrons.

7 0
2 years ago
What is the most important in determining skin color?
Lesechka [4]
The main determinant of skin color is melanin
5 0
3 years ago
Someone please help me
rewona [7]

C

hope this helps u to understand.

5 0
3 years ago
Read 2 more answers
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