100 points must answer two questions and be sure of answer.A team of scientists is researching the relationship between the two subspecies of A. africanus and concludes that the subspecies were actually different species. Which of the following would increase the reliability of this conclusion?
A. second group of scientists finding significant differences in the DNA of the two different subspecies
B. Providing a description of the methods used in their experiments that led to the conclusion
C. Finding the two different subspecies of the species in different geographic locations
D. Publishing their research in order to make their findings available to the public

Organism A shares 50% of its DNA sequences with organism B, while organisms B and C share 90% of their DNA sequences. What can be concluded from this?
A. Organisms B and C are probably full siblings while organism A is a grandparent of both.
B. Organism A is more ancient than either organism B or organism C.
C. Organisms B and C are more closely related to each other than they are to organism
D. Organism A has suffered more mutations than organisms B or C.

Since we've been using petroleum in vast amounts organizations such as OPEC have appeared which restricts the U.S which ensued our country into suing; if this lawsuit passes then we will possibly be taking more petroleum than ever before due to it's demand such as it's needed for machinery and vehicles and etc. Most petroleum are from middle eastern countries, so our dependency will run rampant which will make us adhere to any of their policies pertaining to this fossil fuel in the near future.

Answer:

The dependent (or responding) variable is the one that is observed and likely changes in response to the independent variable.

Explanation:

The right answer is A.

Since matter is generally composed of several pure bodies (chemical compounds and simple bodies), the chemical composition of a product furnishes the quantity or proportion of each of the pure substances which compose it; they are generically called components.

For answer B it is rather the definition of a chemical structure, it refers to both its molecular topology, its geometry (molecular geometry or space group for a crystal) and its electronic structure.

Answer:

Option D, All of the above

Explanation:

The heliocentric model was first proposed by Nicolaus Copernicus but since his findings were based on previous studies and researches,  his theory of heliocentric  model of universe was rejected in its early phase. However, later on Galileo supported the Copernicus theory when he visualized the universe through his telescope. As proposed and seen by Galileo , it was established that Heliocentric model is the correct model of Universe where all  planet including earth rotate around the sun.  

The process that the given scenario best represents is secondarysuccession, i.e., option B.

What is secondary succession?

When a climaxcommunity or intermediate community is impacted by a disturbance is referred to as secondary succession.

This process restarts the cycle of succession generally not back to the beginning as soil and nutrients will be still present.

In the given scenario, it is showing a secondarysuccession.

Thus, the correct option is B.

For more details regarding secondary succession, visit:

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