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Xelga [282]
3 years ago
7

13. Natural selection is the most powerful of all the processes that change what in a

Biology
1 answer:
LiRa [457]3 years ago
3 0
It changes heritable traits and phenotypes
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What is vena cava<br>hello didi and twinkle. ​<br>yeha aavo
ludmilkaskok [199]

Answer:

(VEE-nuh KAY-vuh) A large vein that carries blood to the heart from other areas of the body. The vena cava has two parts: the superior vena cava and the inferior vena cava. The superior vena cava carries blood from the head, neck, arms, and chest.

8 0
2 years ago
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Complete the table below about how each element is stored and cycled between living and non-living things.
olga2289 [7]

Answer:

13

Explanation:

it get recycled again when it becomes old

3 0
3 years ago
Which phase of mitosis is shown in the diagram
Lorico [155]

If there's this picture in the question, the right answer is metaphase.

A metaphase qualifies a phase of meiosis or mitosis (following prophase and preceding anaphase) during which chromosomes, or at least kinetochores, align with the equatorial plate of the spindle. At this stage, chromosomes are at their maximum condensation and karyotypes are usually established. In the first division of meiosis, the metaphase represents the phase during which meiotic analysis is usually accomplished.


3 0
3 years ago
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In red blood cells, the compound carbonic anhydrase increases the rate at 4 points
Semmy [17]
An enzyme, it catalyzes the reaction to convert carbon dioxide into carbonic acid
3 0
3 years ago
Predict the dominant type of bonding by considering electronegativity.
Vlad1618 [11]
If the atoms that are bonding have identical electronegativities, then it's a completely nonpolar covalent bond. This doesn't happen in the real world unless the two atoms are of the same element. In a practical sense, any two elements with an electronegativity difference less than 0.3 is considered to be nonpolar covalent.
As the difference between the atoms increases, the covalent bond becomes increasingly polar. At a polarity difference of 1.7 (this changes depending on who you ask) we consider it no longer to be a covalent bond and to be the electrostatic interactions characteristic in an ionic compound.
Just so you know, you shouldn't take these values as exact. ALL interactions between adjacent atoms involve some sharing of electrons, no matter how big the difference in electronegativity. Sure, you wouldn't expect much sharing in KF, but there's a little sharing of electrons anyway. There's certainly no big cutoff that happens at a difference of 1.7 Pauling Electronegativity units.
7 0
2 years ago
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