This is a radio astronomy observatory located on the Plains of San Agustin consisting of twenty-seven independent antennas, each of which has a dish diameter of 25 meters.

Answers

Answer 1
Answer:

Answer:

Jansky Very Large Array

Explanation:

It Is most powerful telescope on Earth and  is located on the plains of San Agustin near Socorro, New Mexico, US. This telescope consist of 25 antennas whose collective ares is equal to a single 430 foot antenna. The angular resolution is equal to an antenna of 22 miles in diameter.  It is also possible to adjust its arms to change its resolutions. There is receiver in each antenna that can operate from wavelength range of 4 mm to 7 metres. National Radio Astronomy Observatory is in charge of this telescope.


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Mr. Potter’s physical science classes conducted an experiment to determine the density of aluminum. Here are the density values each class period came up with: 1st hour = 3.1 g/ml, 2nd hour = 3.05 g/ml, 3rd hour = 1.9 g/ml, 4th hour = 2.35 g/ml, 5th hour = 4.2 g/ml, and 6th hour = 4.0 g/ml. If Aluminum’s true density is 2.7 g/ml, how would you group the class values based on accuracy?a.

Group: 1st, 3rd, 5th, and 6th hours, with one recorded decimal place in their values


Group: 2nd and 4th hours, with two recorded decimal places in their values


b.

Group: 3rd and 4th hours, with values under the true density


Group: 1st, 2nd, 5th, and 6th hours, with values over the true density


c.

Group: 3rd hour, with a 1 value


Group: 4th hour, with a 2 value


Group: 1st and 2nd hours, with 3 values


Group: 5th and 6th hours, with 4 values


d.

Group all classes as accurate

Answers

Answer;

B. Group: 3rd and 4th hours, with values under the true density. Group: 1st, 2nd, 5th, and 6th hours, with values over the true density.

Explanation;

Accuracy refers to the closeness of a measured value to a standard or known value.

Accuracy is a qualitative term referring to whether there is agreement between a measurement made on an object and its true (target or reference) value.

B. Group: 3rd and 4th hours, with values under the true density
Group: 1st, 2nd, 5th, and 6th hours, with values over the true density
(I just took this test)

Which is the most likely function of a group of cells that contains a high number of mitochondria

Answers

Something that requires a lot of energy, such as active transport, as more mitochondria means more respiration. 

Can the scientific method be used to prove unique historical events?

Answers

Yes, science is used for all of our questions. However, they are just the most thorough educated guesses we have as we are doing the best we can with the tools and evidence we have available.

Final answer:

The scientific method can be used to analyze historical events but cannot prove their uniqueness.

Explanation:

The scientific method can be applied to historical events, but it cannot directly prove their uniqueness. While the scientific method is typically used to study repeatable and observable phenomena, it can still be used to analyze historical events by examining available evidence, conducting research, and drawing logical conclusions. However, due to the limitations of studying past events, the scientific method cannot provide definitive proof of the uniqueness of historical events.

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A water molecule is made up of one oxygen atom and two hydrogen atoms why is it considered a pure substance

Answers

A pure substance is any substance on its own. For example, sand is impure for containing lots of different substances. However, diamonds are mostly pure for only containing one type of substance.

Whether a substance is pure or not doesn't relate to a substance's molecular structure, but different molecules in a substance. Water by itself is only H2O, therefore it still pure.

Water is not an element but a compound for containing different elements, however it still pure.

What is a string of nucleotides called?

Answers

A string of nucleotides that hold information is called a gene

Final answer:

A string of nucleotides is called a DNA sequence. DNA sequences are composed of four different nucleotides: adenine (A), cytosine (C), guanine (G), and thymine (T). These sequences are the building blocks of genes and determine the genetic information of an organism.

Explanation:

A string of nucleotides is called a DNA sequence. DNA sequences are composed of four different nucleotides: adenine (A), cytosine (C), guanine (G), and thymine (T). These sequences are the building blocks of genes and determine the genetic information of an organism.

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When comparing dogs to wolves, scientists found evidence that supports the idea they come from a common ancestor. Which evidence was most important in understanding this?A comparable anatomies, fossils, and behavior
B different anatomies, similar development, and different DNA
C comparable anatomies, similar development, and similar DNA
D different anatomies, fossils, and behavior

Answers

Evolution overs over time such that the best traits are being passed on from successive generations in every species or populations. We can compare these different species from a common ancestor. Evidences include fossil evidence, genetic evidence, comparative anatomy and more. These are usually shown in phylogenetic trees. Most apparent differences between wolves and dogs are their anatomy or morphology. Fossils support these. Behavior between them are different especially in terms of mental differences.

Best answer is A. 

Answer:

C. Comparable anatomies, similar development, and similar DNA

Edg. 2021