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bogdanovich [222]
3 years ago
6

Which observation tool is the most advanced?

Chemistry
2 answers:
aalyn [17]3 years ago
7 0

Answer

B. Hubble Space Telescope

Explanation

The Hubble Space Telescope From NASA that was launched in 1990 is the most advanced one that has been observing the Earth orbit for more than 18 years .Its wavelengths are in the visible, UV , and Near-IR and it produces images that are clear and stunning.

Black_prince [1.1K]3 years ago
5 0

Answer:

C. Gran Telescope canarias.

Explanation: Just took the quiz

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What is organic chemistry? Name at least three categories of compounds that are studied as
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Answer:

organic chemistry is chemistry focused on structure and composition, extending to recations and properties of compounds.

often centered around compounds with carbon.

alcohols, amines, and aldehydes are some groups that are studied on organic chemistry

SHORT ANSWER:

a) chemistry focused on the structure qnd composition of compounds

b) alcohols, amines, aldehydes

5 0
3 years ago
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Which of the following is closest to the meaning of the term ancestor?
rjkz [21]

Answer:

I would say A

Explanation:

our ancestors are the people that lived long before us

8 0
3 years ago
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Which change would result in a stronger electromagnet?
lidiya [134]
Yep its B i did the test
8 0
3 years ago
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An atom is a small building block that forms matter. Many different models of an atom have been made over the years. Which of th
puteri [66]

Answer:

<em>The correct option is A) The atom has changed over the years.</em>

Explanation:

Option A is not correct because an atom does not change. It remains the same always. The structure of an atom will always contain neutrons, protons and electrons.

Scientific theories tend to change over time as new information is brought up. Novel techniques lead to more advanced experiments and results. As a result, a scientific theory is subjected to change whenever evidence is found for a new theory which challenges the older one.

The atomic theory has changed many times due to novel scientific techniques and experiments.

8 0
3 years ago
How many protons and neutrons are in the nucleus of isotope with mass of 68.926 amu?
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There are 30 protons and 39 neutrons in the nucleus.

This must me the isotope of an element with an atomic mass close to 69 u.
The only candidates are Zn and Ga.
Zn has a zinc-69 isotope with mass 68.926 u.
Ga has a gallium -69 isotope with mass 68.925 u.
The isotope is probably _{30} ^{69}Zn.
It has 30 protons and 39 neutrons.
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