Rocks and fossils leave evidence of the conditions that were present when they formed.

true of false

Answers

Answer 1
True, all fossils and rocks can be evaluated to see this evidence from the type of rock or its condition

Related Questions

what happens to the particles of a solid as it becomes a liquid

Answers

Answer:

melting

Explanation:

Answer:

When a solid is heated the particles gain energy and start to vibrate faster and faster. ... Further heating provides more energy until the particles start to break free of the structure. Although the particles are still loosely connected they are able to move around. At this point the solid is melting to form a liquid.

Explanation:

are most of the elements on the periodic table classified as a metal or a non-metal?

Answers

Answer:

Metals

Explanation:

There are more metals next time trying checking the table they will be in colored squares to count to see which has more! HOPE THIS HELPED!

<3 :D

liquid bromine easily evaporates. explain what happens to the particles when a liquid evaporates​

Answers

Answer:

they gain enough energy to break away from the bonds that keeps them a liquid

also the particles diffuse away

Explanation:

When liquid bromine evaporate,

Then space or distance between its particle increases.The bromine particles start moving freely when it evoporates .The inter-molecular force of attraction between particles is increases when liquid bromine evaporates.

Why liquid bromine easily evaporates?

The liquid bromine easily evaporates because of following reasons:

The liquid bromine is more denser then water.Its melting and boiling point is -7°C and 58.9°C.The liquid bromine present in the form liquid at room temperature that is why it is easy evaporates.

To learn more about liquid bromine,

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how long does it take to cook a 12 pound turkey in the oven

Answers

Answer: 3 hours

12-pound turkey, roast at 325°F for 2¾ to 3 hours

HELP ITS TIMED AND IM STUCK ONE THIS QUESTION

Answers

Answer:

It's gotta be the third answer

Explanation:

Hope this helpped!

658 mL of 0.250 M HCl solution is mixed with 325 mL of 0.600 M HCl solution. What is the molarity of the resulting solution

Answers

The molarity of the resulting solution obtained by mixing 658 mL of 0.250 M HCl solution with 325 mL of 0.600 M HCl solution is 0.366 M

We'll begin by calculating the number of mole of HCl in each solution. This can be obtained as follow:

For solution 1:

Volume = 658 mL = 658 / 1000 = 0.658 L

Molarity = 0.250 M

Mole of HCl =?

Mole = Molarity x Volume

Mole of HCl = 0.250 × 0.658

Mole of HCl = 0.1645 mole

For solution 2:

Volume = 325 mL = 325 / 1000 = 0.325 L

Molarity = 0.6 M

Mole of HCl =?

Mole = Molarity x Volume

Mole of HCl = 0.6 × 0.325

Mole of HCl = 0.195 mole

Next, we shall determine the total mole of HCl in the final solution. This can be obtained as follow:

Mole of HCl in solution 1 = 0.1645 mole

Mole of HCl in solution 2 = 0.195 mole

Total mole = 0.1645 + 0.195

Total mole = 0.3595 mole

Next, we shall determine the total volume of the final solution.

Volume of solution 1 = 0.658 L

Volume of solution 2 = 0.325 L

Total Volume = 0.658 + 0.325

Total Volume = 0.983 L

Finally, we shall determine the molarity of the resulting solution.

Total mole = 0.3595 mole

Total Volume = 0.983 L

Molarity =?

Molarity = mole / Volume

Molarity = 0.3595 / 0.983

Molarity = 0.366 M

Therefore, the molarity of the resulting solution is 0.366 M

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what is the hybridization at each carbon atom in the molecule?

Answers

The carbon atoms are sp3 hybridized.

Hope this helps!

what is the empirical formula of hydro carbon 7.7% by mass of hydrogen and 92.3% by mass of carbon​

Answers

Answer: A hydrocarbon contains 92.3% by mass of carbon and 7.7% by mass of hydrogen. The empirical formula of the compound will be oose answer:

CH CH5 CH CH3.

Explanation: :)

The reaction is at dynamic equilibrium.

N2 + 3H2 ⇌ 2NH3

Which statement is correct?

(1 point)

The solution has the same concentrations of nitrogen gas and ammonia.
The solution has the same concentrations of nitrogen gas and ammonia.

Nitrogen and hydrogen combine at the same rate that ammonia breaks down.
Nitrogen and hydrogen combine at the same rate that ammonia breaks down.

The solution has the same concentrations of nitrogen and hydrogen gases.
The solution has the same concentrations of nitrogen and hydrogen gases.

Both directions of the reaction have stopped.
Both directions of the reaction have stopped.

Answers

Considering the definition of dynamic equilibrium, the correct answer is second option: Nitrogen and hydrogen combine at the same rate that ammonia breaks down.

Chemical equilibrium is a state of a reaction in which no changes are observed as time passes, even though the reaction continues. That is, the chemical equilibrium is established when there are two opposite reactions that take place simultaneously at the same speed.

So, dynamic equilibrium is a chemical equilibrium, which occurs when two reversible processes happen at the same speed in both directions. In this way, the concentrations of the reactants and products remain constant over time.

In summary, the correct answer is second option: Nitrogen and hydrogen combine at the same rate that ammonia breaks down.

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What is mechanical energy?

The energy that is associated with the motion or position of an object
The energy that travels in waves from the moon
Any energy that travels through a medium like water
The stored energy in a substance like oil or gasoline

Answers

Answer:

The energy that is associated with the motion or position of an object

or simply kinetic or potential Energy

The height that mercury reaches in the tube of a manometer ................on the diameter of the tube.

Answers

Answer:

does not depend

Explanation:

Answer:

DO NOT DEPENDED

Explanation:

I hope it's help u

1. A substance which takes the shape and volume of its container is a?
Solid
Liquid
Gas
Crystal

Answers

Answer:

Liquid

Explanation:

Liquid

Answer:

Gas

Explanation:

Gas takes the shape and volume of its container because it doesn't have a definite shape or volume.

Liquid is wrong because it takes the shape of its container, but has a definite volume.

Gas is wrong because it has a definite shape and volume.

Crystal is definitely wrong.

What is the frequency of radiation whose wavelength is 2.40×10

Answers

Answer:

24

Explanation:

2.40*10=24.0

Write the balanced equation!!
Acid-Base Reactions: HA + BOH → BA + H2O
Sulfuric Acid, H2SO4 (aq) + potassium hydroxide (aq) potassium sulfate (aq) + water (l)

Answers

Answer:

H2SO4 + 2KOH + K2SO4 + 2H2O

Explanation:

there are 2 potassium atoms on the left side so gotta balance that and 2 for the H in the KOH so we have to add a 2 for the hydrogen in H2O..I hope this is useful..

Which of the following moves away from the central nervous system?
Afferent Neuron
Efferent Neuron
Proxima Neuron
Distal Neuron

Answers

Answer:

distal

Explanation:

you c a n remember that by the word distance

Distal Neuron would be correct

Write the balanced chemical equation for the following reaction. Also, classify the
reaction as sythesis, decomposition, single replacement, double replacement, or combustion.
aluminum sulfate + barium chloride —> aluminum chloride + barium sulfate

Answers

Answer:

Reaction: Al2(SO4)3 + 3BaCl2 --> 2AlCl3 + 3BaSO4

Type: Double Replacement

Explanation:

1.) First you need to understand what the different reactions are

a.) Synthesis: is a reaction where two or more substances will combine with each other to make one product.

          Ex:  A + B → AB

b.) Decomposition: when one compound breaks down into two or more substances. (Opposite of synthesis)

          Ex:  AB → A + B

c.) Single Replacement: when one element replaces another one in a reaction

          Ex:  A + BC → AC + B

d.) Double Replacement: when the positively charged cations and negatively charged anions of the reactants trade places. Normally this will be the two outer elements combining and the two inner ones combining.

          Ex: AB + CD →  AD + CB

e.) Combustion: when a substance reacts with oxygen gas and releases energy as light and heat.

         Ex: CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(g)

2.) From there you can write out the formula of the different reactants and products and balance the equation.

can someone plaexplain to me what is 'first ionisation energy' in simple words coz my small brain can't understand it​

Answers

[tex] \: \: \: \: \: \: [/tex]

the first ionization energy of an element is the energy needed to remove the outermost, or highest energy, electron from a neutral atom in the gas phase.

hope it helps

[tex] \: \: \: \: \: [/tex]

Short definition of potential and kinetic energy in a roller coaster ride.

Answers

Potential energy is the energy an object has because of where it is in relation to other objects. Kinetic energy is what makes the object move. Many rides use the transfer of potential energy to kinetic energy to move along the track. Hope this helps!

how does the body and brain react when u are developing feelings for someobody?

Answers

Uhm.. well I’ll say from my own personal experience. You’re brain overlooks flaws of that person, makes them seem amazing and makes all the little things they do so much bigger. You normally try to be around them more often.You’re body will normally face towards them and become closer to them. This is a great question I love it


Wish you the best of luck for whoever you have feelings for :)

difference between condensed milk and evaporated milk

Answers

The major difference that sets these two canned milk products apart is sugar content; sweetened condensed milk, as the name implies, is always sweetened, while evaporated milk is unsweetened

What would be the bond angle if the molecular geometry were bent and had only one lone pair of electrons

Answers

120°

Bent molecular geometry

Examples H2O, SO2

Point group C2v

Coordination number 2

Bond angle(s) 90°<θ<120°

What do we call the things we see around us? *
15 points
a. ecosystem
b. environment
c. matter
d. density

Answers

:::: Answer ::::

C. matter

how many of the following elements have 2 unpaired electrons in the ground state?

Answers

Answer:

I'll h he d Glendale https hehe

Explanation:

grendel v BB hehe iron v

14. Which of the following is true of the nucleus?

(a) The nucleus is considered the control center of the cell.

(b) The nucleus contains all the cell’s DNA.

(c) All cells have a nucleus.

(d) all of the above

Answers

A)
Because it does not contain exactly all the DNA in the cell and some cells don't have a nucleus٫ such as the red blood cells.

Which of the following is an organic compound?

sulfur oxide (SO)
sodium chloride (NaCl)
water (H 2O)
carbon monoxide (CO)

Answers

Answer:

Carbon monoxide (CO)

Explanation:

Organic compounds are generally any chemical compounds that contain "carbon-hydrogen bonds". Due to carbon's ability to catenate, millions of organic compounds are known. The study of the properties, reactions, and syntheses of organic compounds comprise the discipline known as organic chemistry.

how long to bring cream cheese to room temperature?

Answers

Answer:

about an hour but it might take a little longer it jist depends

1. The particles present within the nucleus of an atom are called _______.​

Answers

Answer:

Hey mate....

Explanation:

This is ur answer.....

Protons & Neutrons

Hope it helps!

Brainliest pls!

Follow me! :)

Answer:

the proton and the neutron

The particles present in the nucleus of an atom are the proton and the neutron.

Electrons are present outside the nucleus.

For a reversible system, the entropy change of the system is equal to entropy transferred with _____.

Answers

Answer:

Heat

Explanation:


What are their name?

Answers

Answer: Ch3 is Methlene Ch2 is Methyl Ch is Benzen

Explanation:

Hope this helps

Question 5 (5 points)
Use the picture below to determine if the following statements are observations or if the statements are inferences. Place a “O” in the blank for an observation and “I” for an inference.


BLANK 1: A person is in the water
BLANK 2: The weather is cold
BLANK 3: The tree branch is broken
BLANK 4: If the boy crawled out of the water the goat would push him back in
BLANK 5: The boy fell off the branch

Answers

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

Blank # 1 - Observation

Blank # 2 - Observation

Blank # 3 - Observation

Blank # 4 - Inference

Blank # 5 - Observation

Answer:

Numbers 1,2,3, and 5 are all O
And Number 4 is aN I

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