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Vera_Pavlovna [14]
2 years ago
13

Which statement is an example of variation within a species? picture attatched.

Biology
1 answer:
Alina [70]2 years ago
4 0

Answer: B

Explanation: The other answers are talking about similarities among different species.

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Select a type of renewable energy. Compare it to fossil fuels by explaining two pros and two cons for its implementation on a la
myrzilka [38]

Answer:

Bio gas

Explanation:

Bio gas is gotten from the anaerobic breaking down of biomass especially animal waste.

PROS:

A. it is renewable: biogas is renewable and has an endless supply of material since animals are the main source when compared to fossil fuels.

B. It doesn't involve a rigorous mining exersice to get to like fossil fuels and it is in accessible abundance.

CON:

A. A lot of waste is needed for the product of biogas and the final waste (sludge) from the production process can be a huge problem to dispose off.

B. Some of the gases liberated in the manufacturing process are greenhouse gas, especially methane. These gases if let out, will contribute immensly to global warming.

8 0
3 years ago
How many of each kind of atom is in one molecule of water?
Reil [10]

The chemical formula for water is H2O which means that every molecule of water has 2 atoms of hydrogen (H) and one atom of oxygen (O). Here comes the key part. From the Periodic Table of Elements, one sees that one molecule of oxygen atoms weigh 16 grams.

I apologize if this is not what you meant. If you have further questions just tell me.

8 0
3 years ago
What causes the differences in average temperature and the changes
zvonat [6]

Answer:

The Earth's axial tilt is what causes the differences in average temperature that are associated with the change in seasons on Earth

Explanation:

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6 0
3 years ago
A two-trait occurs when an individual has two dominant alleles but it is not possible to determine if that individual is homozyg
Alex17521 [72]

Answer:

This statement refers to Test Cross.

Explanation:

Generally a Test cross involving an individual with a homozygous recessive trait . When a single trait is being studies, a test cross is a cross between an individual with the dominant phenotype but of unknown genotype (either homozygous or heterozygous) with a homozygous recessive individual. If the unknown is heterozygous for a trait, then approximately half of the offspring will display the recessive phenotype. If all the offspring carry dominant phenotype, Then the unknown genotype is homozygous.

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3 years ago
The development of a true coelom between the ectoderm and the mesoderm represents a true evolutionary advance over the pseudocoe
Mars2501 [29]
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