Help!
Which of the following can scientists NOT interpret by examining fossils?
A. How earth's environment has changed overtime.
B. How plants and animals have changed overtime.
C. The age of certain layers of rocks. D. How the pull of gravity has changed.​

Answer:

27.0833 feet

Explanation:

what? what do you want

Answer:

huhubbibgguvulvyjbkffkfj Leonel kg feliz flaco filtro usted conviví cuando bb cuerpecito uiyfjuufuvhnvhohh igual

Answer:

zero two is bae

Explanation:

Answer:

what was the investigation ???

Answer:

[tex]\boxed {\boxed {\sf 447,560 \ Joules}}[/tex]

Explanation:

We are asked to find the energy required to melt 1340 grams of ice. We are given this formula:

[tex]Q=mL[/tex]

In this formula, Q is the heat, m is the mass, and L is the latent heat.

For this problem, the mass is 1340 grams of ice. Since we want to melt the ice, we need the latent heat of fusion (melting) which is 334 Joules per gram.

[tex]m= 1340 \ g \\L= 334 \ J/g[/tex]

Substitute the values into the formula.

[tex]Q= (1340 \ g )( 334 \ J/g)[/tex]

Multiply. The grams will cancel each other out.

[tex]Q=1340 *334 \ J \\Q=447560 \ J[/tex]

447,560 Joules of energy are needed to melt 1340 grams of ice.

Answer:a+b

Explanation:

Answer:

D Sunlight

Explanation:

Hoped that helped :)

Answer:

deje goodmorning

Answer:

Answer:

36miles/hour

Explanation:

speed =distance÷time taken

102miles/2 5/6

102÷17/6

102×6/17

=36miles per hour

Answer:

i cant see the question. i can try to help if you tell me the question.

Explanation:

also how do i use the comments???

Answer:

Option 3, The attraction between the can and the magnet is a pull.

Explanation:

The complete question is

Mr. Wang works in a recycling center. Recyclable materials arrive at the

center mixed together. Workers use magnets to separate steel cans from

other items. Which two statements are true about the force between a steel can and a magnet?

1 Gravity pushes the can toward the magnet.

2 The force between the can and the magnet is a noncontact force.

3 The attraction between the can and the magnet is a pull.

4 The attraction between the can and the magnet is a push

Solution

The force exerted by magnet on steel is the pull force. In magnets unlike poles attract each other (pull force) while the like poles repel (push force). Now, the steel or any ferrous object in the garbage when experience magnetic field develop magnetic field of their own in such a way that their north always faces the south of the external magnet or vice versa.

Hence, the force between a steel can and a magnet is pull force

Answer:

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Explanation:

Answer:

1) color of a star is determined by its temperature. 2) the luminosity is determined by its size.

Explanation:

Answer:

D. The maximum amount of solute is dissolved in it.

Answer:

D. The maximum amount of solute is dissolved in it.

Explanation:

Answer:

Elements Ending with s2p4 = the Oxygen Family

Element Atomic Number

Oxygen (O) 8

Sulfur (S) 16

Selenium (Se) 34

Tellurium (Te)

Explanation:

Answer:

is cool is cool goodcripopo

Answer:

El Niño

Explanation:

The natural reason for the rising surface temperatures of the Pacific Ocean, drought in the western United States, and flooding on the Pacific coast of South America Is the El Niño.

El Niño is a climate pattern that happens when there is an unusual warming of the surface temperatures of the Pacific Ocean. This occurs at an interval of two to seven years

During El Niño, the  surface waters of the Pacific Ocean become warmer than average and this is as a result of the weakness of trade winds which blows over the entire Pacific Ocean. This makes the atmospheric pressure above the ocean to decrease.

El Niño brings rainfall nd flooding to South America and droughts in the western United States

none of the above. is the answer

Answer:

i think it is 43

Explanation:

hope it helps:0

Answer:

"Water and ethyl alcohol will both have dipole-dipole interactions.

Technically they will both have Hydrogen bonding, which is a type of dipole-dipole. This is due to the high electronegativity values of oxygen atoms compared to the carbon and hydrogen atoms the oxygens bond to. This causes regions of both of these molecules that have partial negative charges and other regions wind up with partial positive charges.

Hexane will not have any dipole-dipole interactions because it is a non-polar molecule. The intermolecular forces between hexane molecules will be dispersion forces."

Explanation:

Here is the place I found the answer:  https://socratic.org/questions/which-of-these-structures-has-dipole-dipole-interactions-water-h2o-ethyl-alcohol

All of this answer belongs to that person. I do not own any of this information.

Answer: 11.25 moles of [tex]O_2[/tex] will be required to completely react with 2.25 moles of [tex]C_3H_8[/tex].

Explanation:

The balanced chemical equation is:

[tex]C_3H_8(g)+5O_2(g)\rightarrow 3CO_2(g)+4H_2O(g)[/tex]  

According to stoichiometry :

1 mole of [tex]C_3H_8[/tex] require = 5 moles of [tex]O_2[/tex]

Thus 2.25 moles of [tex]C_3H_8[/tex] will require=[tex]\frac{5}{1}\times 2.25=11.25moles[/tex]  of [tex]O_2[/tex]  

Thus 11.25 moles of [tex]O_2[/tex] will be required to completely react with 2.25 moles of [tex]C_3H_8[/tex].

Answer:

10 Kelvin

Explanation:

this is so simple...

if you want to raise the temp from 270K to 280K just add 10K

According to specific heat capacity, 4200 joules of heat must be added to raise a sample of 100.g of water at 270 K to 280 K.

Specific heat capacity is defined as the amount of energy required to raise the temperature of one gram of substance by one degree Celsius. It has units of calories or joules per gram per degree Celsius.

It varies with temperature and is different for each state of matter. Water in the liquid form has the highest specific heat capacity among all common substances .Specific heat capacity of a substance is infinite as it undergoes phase transition ,it is highest for gases and can rise if the gas is allowed to expand.

It is given by the formula ,

Q=mcΔT , on substitution of values on given formula, Q= 100×4.2×10=4200 Joules

Thus, 4200 joules of heat must be added to raise a sample of 100.g of water at 270 K to 280 K.

Learn more about specific heat capacity,here:

https://brainly.com/question/29766819

#SPJ6

Answer:

See explanation

Explanation:

There are two main factors that affect the magnitude of thermal energy of a system.

The thermal energy of a system depends on

i) Temperature of the body

ii) Mass of the body

Thus, the greater the mass of a substance at a particular temperature, the greater its thermal energy.  Also, at a higher temperature, an object  has greater thermal energy.

Answer:

Chemical Equation Balancer

Explanation:

Answer:

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Explanation:

Answer:

24 pills

Explanation:

650 mg/1000 = 0.65 g

(There are 1000 mg in one g)

15.6g/0.65g=24