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frez [133]
3 years ago
11

A black rooster mates with a white hen. Based on their genotypes, the chance that the offspring will be checkered is 100 percent

. What is the rooster’s genotype? What is the hen’s genotype? The rooster genotype is . The hen’s genotype is .
Chemistry
2 answers:
jeka57 [31]3 years ago
7 0

Answer:

Answer: BB is rooster.

bb is hen

Explanation:

zheka24 [161]3 years ago
6 0

Answer: BB is rooster.

bb is hen

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The speed of light is 3.0 x 10^8 m.s^-1. what is the speed in nm.ms^-1 ?
snow_lady [41]

Answer:

c=3\times 10^{17}\ nm/s

Explanation:

The speed of light is 3\times 10^8\ m/s. It is required to convert it into nm/s.

The relation between nm and m is as follows :

1\ nm=10^{-9}\ m\\\\1\ m=10^9\ nm

So,

c=3\times 10^8\ m/s \\\\c=3\times 10^8\times 10^9\ nm/s\\\\c=3\times 10^{17}\ nm/s

So, the speed of light is 3\times 10^{17}\ nm/s.

8 0
3 years ago
Give an example of a substance that is MORE dense in its solid state when compared to its liquid state.
Natalka [10]

Answer: Wax

Explanation:

Density is defined as the mass contained per unit volume.

Density=\frac{mass}{Volume}

Usually solids are more denser than liquid, as molecules in solid are more strongly packed and thus have more mass per unit volume.

Liquids on the other hand contain molecules which are less tightly bound and thus thus contain less mass per unit volume as compared to solid.

Example: Solid wax is more denser than liquid wax.

4 0
3 years ago
4. If 175 undecayed nuclei remain from a sample of 2800 nuclei, how many half-
Irina18 [472]

Answer:

X = 4

Explanation:

Start 2800

End 175

175 = 2800x(0.5)^X

175/2800 = 0.5^X

0.0625 = 0.5^X

log(0.5 x) = log(0.0625)

x · log(0.5) = log(0.0625)

-0.301x = -1.204

x = -1.204/-0.301

x = 4

8 0
3 years ago
What is the similarity between simple diffusion and facilitated diffusion?
MakcuM [25]

they are both types of passive transport which means they require no energy. They both work with the concentration gradient which means they go from a high concentration area to a low concentration area. The differences are simple diffusion just goes though the membrane of a cell while facilitated diffusion uses a protein channel

Simple diffusion: it is the process where molecules move from a area of high concentration to an are of lower concentration. There is no energy needed in simple diffusion. For example when sodium is highly concentration in a cell, it moves outside of the cell where sodium is less concentration. it takes no energy as simple diffusion is random and molecules move according to their concentration.

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4 0
3 years ago
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What are real world examples of chemical changes?
Stels [109]
Burning paper because it can’t be changed back
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3 years ago
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