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OlgaM077 [116]
3 years ago
6

True or False. Index Fossils are formed from organisms that were alive for short period of geologic time, are extinct, had hard

parts, and lived across wide geographic area.
Chemistry
2 answers:
NemiM [27]3 years ago
6 0

Answer:

Index fossil, any animal or plant preserved in the rock record of the Earth that is characteristic of a particular span of geologic time or environment.

Explanation:

True

erik [133]3 years ago
3 0

Answer:  

Explanation:

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Identify whether this statement has kinetic or potential energy, both, or neither
tino4ka555 [31]

Answer:

Neither

Explanation:

Kinetic, or potential energy, is the average amount of molecules in a substance

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3 years ago
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The system international (SI) unit for energy is:
Natalija [7]

Question

The system international (SI) unit for energy is:

Answer: joule

PLZ BRAINLIEST+THANKS :)

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3 years ago
Which is a FALSE statement about compounds?
rewona [7]

Answer:  D. Made of only one kind of atom

Explanation:A compound forms whenever two or more atoms form chemical bonds with each other.

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Consider a solution that is 0.05 M HCl. Your goal is to neutralize 1 L of this solution (i.e. bring the pH to 7). You also have
Ilia_Sergeevich [38]

Answer:

The volume of NaOH required is - 0.01 L

Explanation:

At equivalence point ,

Moles of HCl = Moles of NaOH

Considering :-

Molarity_{HCl}\times Volume_{HCl}=Molarity_{NaOH}\times Volume_{NaOH}

Given  that:

Molarity_{NaOH}=5\ M

Volume_{NaOH}=?\ L

Volume_{HCl}=1\ L

Molarity_{HCl}=0.05\ M

So,  

Molarity_{HCl}\times Volume_{HCl}=Molarity_{NaOH}\times Volume_{NaOH}

0.05\times 1=5\times Volume_{NaOH}

Volume_{NaOH}=\frac{0.05\times 1}{5}=0.01\ L

<u>The volume of NaOH required is - 0.01 L</u>

3 0
3 years ago
What are some ways to eliminate waste
Margaret [11]

Answer:

use following methods

Explanation:

  • Recycling the waste
  • segregation and dumping in right place
  • practice 4 R's
  • practice waste Management
  • reduce using undegredable waste like plastic bags

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