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baherus [9]
3 years ago
7

Why are chromosomes not always visible?

Chemistry
1 answer:
Mashcka [7]3 years ago
5 0

Answer:

why are chromosomes not always visible? I'm going with a

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What are the products of the reaction: Be(s)+ Cl2(g)⟶
Vikki [24]

Answer:

BeCl2

Explanation:

Be+Cl2=BeCl2

4 0
3 years ago
In an investigation with density, Marcia’s teacher measures the mass and volume of 10 different samples of a substance. The samp
valina [46]

Answer:

Mass  

Step-by-step explanation:

Usually, you plot the independent variable along the horizontal (x) axis and the dependent variable along the vertical (y) axis.

Marcia's teacher plotted the mass of the sample along the x-axis and volume along the y-axis.

The mass is the independent variable, because that is <em>what the teacher varied</em>.

The volume is the <em>dependent variable</em>, because it <em>depends</em> on the mass.

Sample number is <em>wrong</em>, because it is not a variable.

Substance is <em>wrong</em>, because all samples consist of the same substance.

Density is <em>wrong</em>, because it is constant. It is the slope of the graph.

3 0
3 years ago
Read 2 more answers
click on the picture of the flowers until their colors correspond to the punnett square above. HELP PLZ!
almond37 [142]

Answer:

You will need to have a red flower in the top left, a pink flower in the top right and bottom left, and a white flower in the bottom right.

Explanation:

This flower appears to express color through codominance, which means that both genes express themselves. "R" is the dominant gene for red, and "r" is the recessive gene for white. When a flower has RR genotype, the phenotype will be a red flower. When a flower has an Rr genotype, the red and white genes will both be expressed and the phenotype will be pink. When a flower has an rr genotype, it lacks the red gene and will therefore be only white.

3 0
3 years ago
How many valence electrons are in the chemical Hafnium?
djverab [1.8K]

Answer:

Their are 4 electrons just had the same problem

4 0
3 years ago
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An atom of iron has the atomic number 26. This means that
Zanzabum

Answer:

Answer in explanation

Explanation:

An atom of iron having an atomic number of 26 means there are 26 protons in the nucleus of the iron atom. This also means that for an electrically neutral atom of iron, there are 26 electrons orbiting the nucleus of the iron atom.

Factually, this also means that the atom iron occupies the position of the 26th element on the periodic table. Going forward, we can also say that the proton number of the iron element is 26.

8 0
3 years ago
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