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Kruka [31]
3 years ago
10

When standing on the Earth, the Moon and Sun appear to rise in the east and set in the west. What is responsible for this appare

nt movement of the sun and moon?
Biology
1 answer:
tankabanditka [31]3 years ago
7 0

Answer:

The Sun, the Moon, the planets, and the stars all rise in the east and set in the west. And that's because Earth spins -- toward the east. ... Earth rotates or spins toward the east, and that's why the Sun, Moon, planets, and stars all rise in the east and make their way westward across the sky.

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Fill in the blanks: Of the ______ chromosomes in the nuclei of every diploid human somatic cell, __________ chromosomes were con
Fantom [35]

Explanation:

of the <em><u>46</u></em><em>  </em>chromosomes in the nuclei of every diploid human somatic cell, <em><u>23</u></em>  chromosomes were contributed by the mother in the <em><u>egg (ovum)</u></em> cell and the other  <em><u>23</u></em> chromosomes come from the father’s <em><u>sperm cell. </u></em>

5 0
3 years ago
A karyotype of a human who has normal sex chromosomes and 43 autosomes will exhibit ___?
slava [35]
That person will exhibit <span>monosomy,</span>
3 0
3 years ago
In the term trace element, the adjective trace means that
Margarita [4]

Answer:

The elemental is required in very small amount. (Ans. A)

Explanation:

Trace element is also known as micro-nutrient. It is also defined as any chemical element required by living organisms in a minute or small amounts which is usually part of the vital enzyme (cells produced by catalytic protein).

Exact needs of trace elements vary among species, like commonly required plant trace elements are cooper, zinc, manganese, boron, and molybdenum. Animals commonly required iodine, manganese, and cobalt.

Absence of necessary plant trace elements required by plants in the soil causes deficiency disease, lack of animal trace elements used by animals in the soil may not harm plants, but, animals feeding on those plants develop their deficiency disease.

So, the adjective trace means that the elemental is required in a very small amount.

7 0
3 years ago
What structure/material acts as "instructions" for the cell?
sattari [20]

Answer:-DNA.But I am not sure

5 0
3 years ago
Need help on this plz help!!
nydimaria [60]

Tin, because it has five energy levels with four electrons in the fifth level .

Explanation:

Tin has an electronic configuration as

1s2,2s2,2p6,3s2,...........4d10, 5s2,5p2

They have four valence electrons in their outer shell

Among the four diagrams given Tin is least reactive because the atomic radius of tin is largest among all four options. Due to large atomic radius electronegativity decreases and hence Tin is the least reactive element among Neon, Chlorine, gallium and tin.

The electronegativity of an element is its tendency to complete its octet by attracting electrons towards itself. Also tin is at the lowest place in the periodic table among all the four mentioned elements, its ionization energy is also low hence less electronegative and least reactive.

6 0
3 years ago
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