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2 years ago

Marking brainlist Why are resources such as coal, oil, or natural gas considered nonrenewable?

1 answer:

3 0

Renewable and nonrenewable resources are energy sources that human society uses to function on a daily basis. The difference between these two types of resources is that renewable resources can naturally replenish themselves while nonrenewable resources cannot. This means that nonrenewable resources are limited in supply and cannot be used sustainably.

Lol, I hope that was helpful!

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Traits are characteristics that are

skelet666 [1.2K]

developed as the organism grows

Explanation:

Traits are characteristics that are developed as an organism grows.

The term is mostly used in the field of genetics to describe the attribute of an organism.

Traits are usually synonymous to phenotypes.
They are the outward expression of a gene.
These characters are developed as an organism grows as influenced by the environment.
The environment plays a very important role in manifestation of trait.

learn more:

Polygenetic trait brainly.com/question/4161162

#learnwithBrainly

7 0

3 years ago

What is the name of CH3CH2CH2COOH?

nikklg [1K]

Answer:

Butanoic acid

Explanation:

7 0

2 years ago

1. If you have 25% radioactive parent atoms in a mineral crystal, and 75% daughter atoms, how many half-lives have passed?

Andreyy89

Too freaking many... or maybe not many at all

5 0

3 years ago

A 1.2516 gram sample of a mixture of caco3 and na2so4 was analyzed by dissolving the sample and completely precipitating the ca

Dennis_Churaev [7]

Answer:

0.009725 moles of H2C2O4

0.009725 moles CaCO3

Mass percentage = 77.77%

Explanation:

Step 1: The balanced equation

2MnO4- +5C2H2O4+6H+ →2Mn2+ +10CO2+8H2O

We can see that for 2 moles of Mno4- consumed , there is 5 moles of C2H2O4 needed and 6 moles H+ to produce 2 moles Mn2+, 10 moles of CO2 and 8 moles of H2O

Step 2: Calculate moles of MnO4-

Molarity = Moles/volume

Moles of Mno4- = Molarity of MnO4- * Volume of Mno4-

Moles of Mno4- = 0.1092M * 35.62 *10^-3 L

Moles of MnO4- = 0.00389 moles

Step 3: Calculate moles of H2C2O4

Since there is needed 5 moles of C2H2O4 to consume 2 moles of MnO4-

then for 0.00389 moles of MnO4-, there is 5/2 *0.00389 = 0.009725 moles of H2C2O4

Step 4: Calculate moles of CaCO3

moles of H2C2O4 = moles CaCO3, therefore, 0.009725 moles H2C2O4 = 0.009725 moles CaCO3

Step 5: Calculate mass of CaCO3

Molar mass of CaCO3 = 100.09 g/mole

Mass of CaCO3 = moles of CaCO3 * Molar mass of CaCO3

Mass of CaCO3 = 0.009725 moles * 100.09 g/mole = 0.9734 g

Step 6: Calculate percentage by weight of CaCO3

Mass of CaCO3 = 0.9734g

Mass of original sample = 1.2516g

Mass percentage = 0.9734/1.2516 *100% = 77.77%

6 0

3 years ago

Please help in full sentances no copy paste in your own words

Katena32 [7]

Answer:

Explanation:

The river bank can expand due to the water breaking apart and move for sediment.

8 0

3 years ago