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HACTEHA [7]
3 years ago
10

Eliana cuts a watermelon into several slices. Which statement best describes the physical change?

Biology
2 answers:
Nat2105 [25]3 years ago
9 0

A. The arrangement of particles within the watermelon changed.

Nookie1986 [14]3 years ago
7 0

the answer is a in know because i did this one

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You are working in a molecular biology lab and, unbeknownst to you, your lab partner left the foreign genomic DNA you are planni
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B There will be blue colonies only

Explanation:

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A first-hand source such as an experiment is called a _____.
IrinaK [193]
A first-hand source such as an experiment is called a primary source. 

A primary source is where you can share new information or report on what you have discovered. Some primary sources are research data, interviews, audio recordings, and autobiographies.

A secondary source is where you describe and discuss about the primary sources. They are used to collect and gather primary source information. Some secondary sources are textbooks, review articles, and scholarly books.

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Is a cytoskeleton in an animal, plant or both cells?
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Use the copy of the Periodic Table of Elements below to obtain information about each element in the Mystery Clues list. Record
Sergeu [11.5K]

Answer: nitrogen , CALCIUM , nitrogen , Carbon-14 , Mercury , Boron

Explanation:

A. nitrogen

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 CALCIUM - I have 20 neutrons and am found in your teeth and bones

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The atomic number of nitrogen is 7. How many protons, neutrons, and electrons make up an atom of nitrogen-15? Socratic.

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Mercury is a chemical element with symbol Hg and atomic number 80.

F. Boron group element, any of the six chemical elements constituting Group 13 (IIIa) of the periodic table. The elements are boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and nihonium (Nh).

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