What type of heat is used to cook pancakes?

Answer choices :
A. Conduction
B. Convention
C. Radiation

Answers

Answer 1

Answer:

A

Explanation:

Answer 2

Answer:

conduction (A) is the right answer


Related Questions

Askin cell divides to make a new skin cell. Which component of cell theory does this best illustrate?
O All living things are made of cells.
O Cells are the basic unit of structure and function of all living things.
O All cells come from other cells.
O Cells are generated from nonliving materials.

Answers

Answer:

all cells come from other cells

A _____ state is when the electron is closest to the nucleus.

Answers

Answer:

ground state

Explanation:

A ground state is when the electron is closest to the nucleus.

What is the ground state of an atom?

The ground state of an electron is the state of the lowest energy for that electron. The nucleus is surrounded by electrons that occupy orbitals of varying energy levels.

When an electron jumps to an energy state greater than its ground state, then it is in an excited state. An electron can become excited from the ground state to the excited state if it is given extra energy in the form of a photon, or packet of light.

An electron occupies the lowest energy level that is closer to the nucleus when the electron is present in the ground state.

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On what is the geological time scale based?
A: changes in climate and historical records
B: geological and biological events
C: geological events
D: evolutionary events

Answers

I’m pretty sure its b or a

Answer: The answer is b for sure

Explanation: Because, I took the test

What type of hydrocarbons are called praffins?

Answers

Answer:

saturated hydrocarbons are called paraffin:)

Which rocky planets is the most different to Earth's? Why? mark you as brainlist

Answers

Mercury, Venus, and Mars are all rocky planets. None are more or less different than Earth. Earth is the largest and the only planet with extensive regions of liquid water.

Explanation:

Answer:

En nuestro sistema solar, hay cuatro planetas terrestres, que también son los cuatro más cercanos al sol: Mercurio, Venus, Tierra y Marte. Durante la formación del sistema solar, probablemente hubo más planetoides terrestres, pero se fusionaron entre sí o fueron destruidos.

Water is put into a pot and then heated on a stove. It is then removed and allowed to cool to room temperature

Answers

Answer: here you go im pretty sure this is right i studied

Explanation:

In what ways is a sodium atom different from a sodium ion? *

Answers

sodium atom is neutral where sodium ion is a charged specie with a charge of +1. The number of protons and electrons in sodium atom is same 11 where the number of protons in sodium ion (11) is more than number of electrons (10). The size of sodium ion is smaller than sodium atom.

What happens to the temperature of the water when it reaches its boiling point and begins to vaporize?

Answers

Answer:

Vapor pressure increases with temperature because molecular speeds are higher as temperature increases. Water boils at 100 °C because the vapor pressure exceeds atmospheric pressure at this temperature.

Explanation:

Which phrase describes a gas?


A fixed shape and volume


B changing shape and volume


C changing shape and fixed volume


D fixed shape and changing volume

Answers

It would be B because Gas is a state of matter that has no fixed shape and no fixed volume.
B
I hope this helps!


Atoms contain nuclei with electrons orbiting

Answers

Answer:

please mark brainliest!

Explanation:

Atoms consist of a nucleus made of protons and neutrons orbited by electrons. Quarks came together to form protons and neutrons, and these particles combined into nuclei. This all took place within the first few minutes of the universe's existence, according to CERN.

Does Lewis structure show all electrons in an atom?

Answers

Answer:

No. It only shows valence electrons.

Answer:

A Lewis Structure is a very simplified representation of the valence shell electrons in a molecule. It is used to show how the electrons are arranged around individual atoms in a molecule. Electrons are shown as "dots" or for bonding electrons as a line between the two atoms

A chemical change happens because the particles and chemical bonds that make up the substance get rearranged. true or false

Answers

Answer:

True

Explanation:

In a chemical reaction the hydrogen bonds between the atoms in a substance break up to form a new one.

5. One of Dr. Birdley's boxes has a
volume of 120 cm' and a mass of 2400 g.
The density of the rock is
a) 20 g/cm
b) 2520 g/cm
c) 240,480 g/cm
d) 2280 g/cm

Answers

Answer:

a.20g/cm

hope this helps :)

Explanation:

How does gravity affect your everyday lives?

Answers

Answer:

gravity's is why I can sit or jump and not fly into space and is why we have a atmosphere. basically gravity is why my daily life even exist.

Explanation:

Answer:

Gravity keeps us grounded. it helps us everyday just to stay on the ground. If we didnt have gravity we would just flout away.

Which of these substances will NOT stop iron from rusting?

Answers

Answer:

u didn't list anything

Explanation:

buh water and oxygen forming hydrated iron

which of the following is a pure substance choose all that apply
a}fruit juice
b}nickel
c}salt water
d}rust

Answers

Answer:

nickel and rust I think

Which material has a density most similar to the density of water?
( Theres more then one answer)
A) Rubber
B) Wooden ball
C) Ice
D) Egg
E) Granite
F) Titanium ​

Answers

Answer:

b

Explanation:

Option a, c and d are correct.

The following information should be considered;

Density shows the relationship between the mass and volume. Thr rubber, egg and ice should have the same density that equivalent to the water density. But for the other options, it is not equivalent to each other.

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An atom has 8 protons, 9 Neutrons, and 10 electrons. What is the mass number?

Answers

Answer:

17

Explanation:

Mass number = # of protons + # of neutrons

Mass number is calculated using ONLY protons and neutrons. Electrons are not in the count.

Thus, we simply add them together: 8 + 9 = 17

This element is Oxygen - 17.

interview at least three farmers in your community. ask them how they prepare their field for planting vegetable crops.And the common tools, implements and equipment they used in preparing for planting

Answers

Answer:

I think they use water,shovel,and rake.

Explanation:I was in ag in 8th grade and first we used a rake and raked all the stuff up. Then we waterd the dirt. Then dug a hole and planted the plant and waterd it after.

I hoped this help have a nice day! Comment if you need more help.

Also please rate 5 and give thanks.

Which part of the wave does the arrow point to?
A. Rarefaction
B. Crest
C. Frequency
D. Trough






Help me ASAP please

Answers

Answer:

B

Explanation:

It was the correct answer when I answered it

The part of the wave that the arrow is pointing to is the crest.

Wave is defined as a disturbance that travels through a medium and transfers energy from one point to another without causing any permanent displacement of the medium itself.

The given diagram is a waveform. The waveform consists of a crest and a trough.

The trough is the minimum amplitude of the waveform while the crest is the maximum amplitude of the waveform

From the graph, the red dots are the crest of the graph while the blue dots are the trough.

Hence we can conclude that the part of the wave that the arrow is pointing to is the crest.

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A tea bag in a cup of hot water can be a simple model of a cell. Water moves into the tea bag and substances in the tea leaves move out through a thin layer of material. What does the thin material that holds the tea leaves represent? ​

Answers

Answer:

It represents a  partially permeable membrane

Explanation:

As the water is added to the teabag it causes the tea leaves to move and triggers diffusion of the leaves. ... The addition of heat (from the hot water) to the tea bag causes its molecules to move much faster than at room temperature

Answer:

The cell membrane

Explanation:

I checked it and it’s right on A P E X. I hope this helps!!

Proof:

Which conclusion about the chemical reactivity of these elements is valid? Boron is the most reactive because it has the most protons. Fluorine is the most reactive because it has 7 electrons in the outer shell. Silicon is the most reactive because it has an equal number of protons and neutrons. Gallium is the most reactive because it has many more neutrons than protons.

Answers

Answer:

Fluorine is the most reactive because it has 7 electrons in the outer shell. The conclusion of this element's chemical reactivity is valid .

Explanation:

Among all the given elements - Boron ,Fluorine , Silicon and Gallium , Fluorine is the most reactive element because it has 7 electrons in the outer shell. It has a very small size and only requires one electron to get into a stable configuration with that of noble gases. Thus, to reach that stable state, they react spontaneously with elements, leading to its high reactivity.

Therefore, most reactive elements are in the halogen band, and none of the other three elements called Boron, Silicon and Gallium belong to the halogen group.

Hence, the correct answer is B (fluorine is the most reactive because it has 7 electrons in the outer shell).

How did the composition of elements in the universe change over time?


Please help!
Will mark brainliest! :)

Answers

Answer: According to NASA, after inflation the growth of the universe continued, but at a slower rate. As space expanded, the universe cooled and matter formed. One second after the Big Bang, the universe was filled with neutrons, protons, electrons, anti-electrons, photons and neutrinos.

Explanation:Hopefully this helps!

If you have 128 atoms of a radioactive substance, with a half-life of 31 seconds, how many atoms would remain after 62 seconds? Please show your work.

Answers

Answer:

N = 32 atoms

Explanation:

The radioactive elements decays as follows:

Ln (N/N₀) = -kt

Where N are number of atoms after t time, N₀ are initial number of atoms, k is decay constant in time⁻¹

We can obtain k from t(1/2):

k = ln 2 / t(1/2)

k = 0.02236s⁻¹

Ln (N/128 atoms) = -0.02236s⁻¹*62s

(N/128 atoms) = e^-1.386

N/128 atoms = 0.25

N = 128 atoms * 0.25

N = 32 atoms

How many grams of barium chloride (BaCl2) are there in 0.187 mol?
0.187 mol

Answers

Answer:

38.9 grams of [tex]BaCl_2[/tex]

Explanation:

0.187 mol BaCl2 x [tex]\frac{208 g}{1 mol}[/tex]

0.187 m x 208 g/m

0.187 x 208 g

38.896 g --> 38.9 g BaCl2

What is the approximate mass of one proton?__amu; and the approx. mass of a neutron?___amu

Answers

Answer:

I don't have an answer but did you ever get it?

Explanation:

I need help.

Explain what it means for energy to be conserved.

Answers

Basically saving energy like turning down or turning up the heating and cooling system

To solve this we must be knowing each and every concept related to  conservation of energy. Therefore, in the below given ways we can define conservation of energy.

What is conservation of energy?

Energy conservation may be defined simply as the process of consuming less energy. Energy conservation also entails changing behaviors and routines to consume less energy.

Consumers can gain from energy saving in terms of the economy and the environment. Energy conservation has several advantages for the environment, including cheaper energy prices.

Conserving energy can also help prevent the extinction of plants and animals. Start energy conservation right away if you wish to exist in a healthier and happier society.

Therefore, in the above given ways we can define conservation of energy.

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What causes tectonic plates to move?

A. When the mantle moves, the plates move.

B. When the inner core moves, the plates move.

C. When the outer core moves, the plates move

Answers

When the mantle moves.
This is because magma comes from the mantle and once it becomes lava and hardened, it can turn into land. This causes tectonic plates to shift.

does sodium chloride retain any characteristic of sodium or chlorine?

Answers

Answer:

When this occurs, sodium will donate an electron (which is a negatively-charged particle) to chlorine. This makes sodium slightly positive and chlorine slightly negative. Opposite charges attract, right? So then, sodium ions will attract chloride ions and form an ionic bond.

Explanation:

Hello, please help me if you can :(

Answers

Answer:

4ml

Explanation:

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