ANSWER PLS ASAP Fireworks are an example of a
amount of energy being

Answer:

5 million

Explanation:

Answer:

When two atoms join together they make compounds

Explanation:

A molecule is formed when two or more atoms join together chemically. If atoms combine that are of two or more different elements, we call that a compound. All compounds are molecules, but not all molecules are compounds.

im pretty sure its C, if im right please give me brainlist

The function where the bones of the skull mainly perfom should be that they protected the tissue and organs.

Here the tissue and organs should be considered as the basic structural units with respect to the bodies.

Here the tissues should be comprise of the cell collections that have the same kind of function while on the other hand, the organ should be the tissue collections.

Therefore, it protected the tissue and organs.

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Answer:

WPC medium range forecasting

Explanation:

Answer:

A!

Explanation:

Explanation:

The First Law of Thermodynamics states that energy cannot be created or destroyed in an isolated system. In other words, energy can be converted from one form into another, but it cannot be created nor destroyed.

Conduction is the transfer of energy from one molecule to another by direct contact. This transfer occurs when molecules hit against each other, which can take place in solids, liquids, and gases.

When you put your cold hands under your legs to warm your hands up, the heat energy from your legs is being transferred to your hands through conduction. However, since energy cannot be created, there is no extra heat energy that can instantaneously replace the heat created by your legs.

Every metabolic process involves energy transfer. Since as the total energy is conserved and thus no loss or gain of energy will be there in a system and to maintain this equilibrium energy transfer from lower energy spot to higher energy spot.

Thermal energy is the energy in the form of heat and which can transfer from one part to the other as any other energy form.

As energy is conserved in a system there will be no net gain or loss of energy overall. Thus energy lost from one part travels to the other parts. Any energy forms transfer from a low intense area to high intense area.

When our hand cools down we may warm them up by rubbing on legs. Where heat energy is transferred from our legs to hands to warm it up. Thus here temperature is given to a colder part from a hot part.

This is an example of heat transfer hence, our legs cools down because some of its temperature is lost to hands still the overall temperature of the body remains balanced.

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Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes. ... Plant cells can be larger than animal cells.

Answer:

D

Explanation:

Answer:

they both break down food

Explanation:

Answer:

sunglasses

Explanation:

Answer:

Oxygen, Carbon, Hydrogern, Nitrogen, Sulfur, and Chlorine are all non-metals

Calcium, Potassium, Sodium, and Magnesium are all metals

Explanation:

The human body is made of elements at the most simple level. Oxygen in group 16, carbon in group 14, hydrogen located in group 1, and nitrogen and phosphorus in group 15.

The body is composed of elements and atoms at the most preliminary level of organization. The elements are placed in a periodic table based on the atomic number that is characteristic of their properties. The elements are arranged into 18 families and groups.

Therefore, elements are classified as alkali metals, alkaline metals, nonmetals, noble gases, halogens, and transition metals.

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Answer:

C. Atomic mass

Explanation:

i just did the quiz and got 100 :) i hope I get brainiest answer

Explanation:

1Na2SO4 + Cacl2 → CaSO4 +2NaCl

Answer:54.36 K (−218.79 °C; −361.82 °F)

Explanation:

Answer:

True

Explanation:

Vaporization that happens below the surface is boiling, above the surface is evaporation :)

Answer:

True

Explanation:

it evaporates because of the temperature difference

Answer:

true

Explanation:

Answer:

The EM spectrum

Explanation:

The EM spectrum is generally divided into seven regions, in order of decreasing wavelength and increasing energy and frequency. The common designations are: radio waves, microwaves, infrared (IR), visible light, ultraviolet (UV), X-rays and gamma rays.

Answer:

reduction happens at the cathode

Explanation:

Just took the test.

Reduction happens at the cathode. Hence, option A is correct.

An electrolytic cell converts electrical energy into chemical energy or vice versa.

Oxidation-reduction reactions are balanced by two half overall chemical equations into an oxidation equation and a reduction equation.

Hence, reduction happens at the cathode in both galvanic and electrolytic cells.

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The empirical formula for this oxide : As₂O₃

Further explanation:

Given

mass of Arsenic=3.26 g

mass of Oxygen = 1.04 g

Required

The empirical formula

Analysis

Solution

mol of Arsenic(MW=74,9216 u) :

[tex]\tt mol=\dfrac{3.26}{74,9216}=0.0435[/tex]

mol of Oxygen(MW=15.999 u) :

[tex]\tt mol=\dfrac{1.04}{15.999}=0.065[/tex].

The ratio for each element (divide by smaller mol⇒Arsenic)

Arsenic : Oxygen :

[tex]\tt \dfrac{0.0435}{0.0435}\div \dfrac{0.065}{0.0435}=1\div 1.5\rightarrow 2\div 3[/tex]

The empirical formula : As₂O₃

Answer:

Electrical energy

Explanation: Kinetic energy is motion, it is the motion of waves, electrons, atoms, molecules, substances, and objects. Electrical energy is the movement of electrons.

Answer: Electrical Energy

Explanation: The movement of electrons is Electrical Energy, because Educere says so :)

The mass of the 2.34 × 10²³ atoms of copper is equal to 24.68 grams.

The Avogadro constant can be defined as the proportionality factor that the number of constituent particles in a sample with the amount of substance.

Avogadro’s number can be described as a dimensionless number that represents the number of entities in one mole of any substance. These elementary entities can be molecules, atoms, ions, electrons, or protons, etc.

Avogadro’s constant has a value approximately equal to 6.022 × 10²³ mol⁻¹.

Given, the number of atoms of copper = 2.34 × 10²³

The atomic mass of Cu Copper = 63.5 g/mol

So 6.022 × 10²³ atoms of Cu have mass = 63.5 g

Then 2.34 × 10²³  Cu atoms will have mass = [tex]\frac{63.5 \times 2.34 \times 10^{23}}{6.02 \times 10^{23}}[/tex] = 24.68 g

Therefore, 24.68 grams of Cu are there in 2.34 × 10²³ atoms of Cu.

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Answer:

Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells. The cell wall is a rigid covering that protects the cell, provides structural support, and gives shape to the cell.

Explanation:

MOST BRAINLIEST

Answer:

mostly in the eastern hemisphere mostly south of the Tropic of Capricorn

Explanation:

The statement which best describes the location of Africa is that it is found

mostly in the eastern hemisphere.

Africa is a continent which comprises of countries such as Nigeria, Ghana,

Kenya etc. It is bounded on the north by the tropic of cancer and towards

the south of the tropic of capricorn.

Africa also lies in the eastern hemisphere and is found to the south of the

European continent.

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Answer:

A

Explanation:

The answer is A because Hydrogen is an Atom consists of 1 electron only.

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