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RideAnS [48]
4 years ago
10

Mario believes he has found the reason that some things glow in the dark while others do not. What is the most important thing h

e will need to do before his theory will be accepted by other scientists? A. Create a petition and ask everyone who believes in his theory to sign it. B. Develop experiments that can be repeated to test his theory. C. Develop an online survey so people can vote on the accuracy of his theory. D. Write a book promoting his theory.
Chemistry
1 answer:
diamong [38]4 years ago
3 0
B. <span>Develop experiments that can be repeated to test his theory.</span>
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Which of the following chemical formulas show three molecules of a compound that has one
mr_godi [17]

The chemical formula : 3HgBr₂(Mercury(II) bromide)

<h3>Further explanation</h3>

Given

The chemical formulas of Mercury and Bromine

Required

The appropriate chemical formula

Solution

A molecular formula is a formula that shows the number of atomic elements that make up a compound.  

The number of molecules is determined by the coefficient in front of the compound

the number of atoms is determined by the subscript after the atom and the coefficient

Three molecules⇒ coefficient = 3

one atom of Mercury ⇒Hg

two atoms of Bromine ⇒ Br₂

The chemical formula : 3HgBr₂

6 0
3 years ago
What do parent and daughter cells have in<br> common? Check all that apply.
Vera_Pavlovna [14]

Answer:

Mitosis is common to all eukaryotes; during this process, a parent cell splits into two genetically identical daughter cells, each of which contains the same number of chromosomes as the parent cell.During meiosis, the cells needed for sexual reproduction divide to produce new cells called gametes.

5 0
3 years ago
What are two challenges posed by the near-vacuum of space?
cestrela7 [59]
It is a devoid of matter and gaseous pressure and atmospheric pressure.
3 0
3 years ago
Which has more thermal energy, an ice berg or a hot cup of coffee?
blagie [28]

Answer: an iceberg

Explanation: the reason for this is because it has much more mass then a hot cup of coffee even the the temputure of coffee is much warmer

8 0
3 years ago
Which of the following weathering processes involves the constant freezing and thawing of water?
Artemon [7]

Frost wedging

Explanation:

Weathering is the physical disintegration and chemical decomposition of rocks to form sediments and soils.

Some agents of weathering are wind, water, glacier and gravity.

  • In physical weathering, rocks are broken down mechanically into smaller bit.
  • Freezing and thawing allows for the propagation of physical weathering.
  • Water within cracks will expand when they freeze significantly.
  • This will further expand and widen the cracks.
  • When the ice thaws the stress is relieved.
  • When the process continues on and on over the year, a rock will eventually break down.
  • This is common around the temperate and polar regions.

Learn more:

weathering brainly.com/question/876569

#learnwithBrainly

4 0
3 years ago
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