what provides the energy needed to fuel the water cycle

Answers

Answer 1

Answer:

Sunlight provides the energy


Related Questions

A Potassium isotope contains 19 protons, 19 electrons and 21 neutrons. What is its mass number? 40​

Answers

Answer:

17

Explanation:

you add 19+19 the subtract 21. I think

A  potassium isotope contains 19 protons, 19 electrons, and 21 neutrons, so the mass number is 40 as the mass number of the atom is the sum of the protons and the neutrons, the mass number is 40.

What is the significance of the mass number in the atom?

The mass number is significant as it is the sum of the number of protons and neutrons present in nucleus of an atom, which determines the atomic weight of an element and also determines its chemical properties and its position on the periodic table. Isotopes of an element have the same atomic number but a different mass number, so they have different properties than the original element.

Hence, a potassium isotope contains 19 protons, 19 electrons, and 21 neutrons, so the mass number is 40 as the mass number of the atom is the sum of the protons and the neutrons, the mass number is 40.

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Which of the following is classified as an element?
a. H20
b. Carbon
c. all of the above
d. Tea

Answers

Answer:

c is the answer because everything is an element

the answer would be B because tea isn’t one and h2o is a combination of elements

Which event always involves a chemical change A boiling B melting C conducting D burning

Answers

The answer is Burning

Answer:

burning

Explanation:

When a chemical change occurs, the matter is transformed into a new substance. When a substance is burned, it will change into something new. Thus, you know that burning is a chemical change. All the other options are physical properties. The substances may change state, but they will not change identities.

- I took the quiz and got 100%

Hope this helps!

Does modern industrial agriculture have a sustainable future?

Answers

Answer:

No. The aim of modern agriculture is to make a profit and be a continuing business not be sustainable to the planet. GMOs, pesticides, herbicides, monoculture, tillage, antibiotics

Explanation:

Which of the following is an element? aluminum bronze table salt brass

Answers

Aluminum is an element :)

Answer:

Aluminum is an element

Explanation:

Aluminum is the most abundant metal in the earths crust with an atomic number of 13.

2. How many kilometers are in 8432 meters?

Answers

Answer:

8.432 Kilometers

Explanation:

This is the answer because 1 kilometer equals to 1,000 meters:

1) Divide 8432 with 1,000

2) Once you divide, you will get 8.432 as your answer

Hope this helps!

Which of these is a property of a substance that is composed of atoms that are held together by metallic bonds?
It has a low melting point.
It can be flattened and bent.
It cannot be shaped into wires.
It does not conduct electricity.

Answers

Answer:

B: it can be flattened and bent

Explanation:

Metals are malleable and can be flattened. Metals are ductile and can be deformed and bent.

Metals are bonded together by metallic bonds.

Hence a substance that is composed of atoms that are held together by metallic bonds can be flattened and bent.

The property of a substance that is composed of atoms that are held together by metallic bonds is  it can be flattened and bent

What is metallic bond ?

Metals are malleable, ductile substance can be deformed when it is bent down, theses are bonded by metallic bond and can be flattened.

The metallic bond is a force of attraction which is responsible for holding the atoms together,  releases electrons to achieve the configuration of a noble gas.

in this type of bonding all the atoms lose their electrons from their outermost layers that move more or less freely between them, forming an electronic cloud

The metallic bond is the exceptional bond where the electrons are not present exclusively between a pair of atoms, but these are relocated among millions of them  called as  "sea of ​​electrons"  by cohesive bond.

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How many seconds are in .079 years? (conversation factors)

Answers

Answer:

2491344 seconds

Explanation:

By the way Google has a conversion system just in case you want to use it. Just google time conversion. It also does other types of conversion like Volume and Weight.

how many bonds are broken during in CH4

Answers

There must be 4 bonds broken.

Help me find the answer please

Which of the items shown here will protect you from a chemical burn? Select all that apply.

A hand in a rubber glove.
A fire extinguisher.
A pair of glasses with clear shields attached on the sides.
A power source.

Answers

Answer:1 & 2

Explanation:

Answer:

A. The rubber gloves and C. the protective glasses

Explanation:

I just answered this question and it was correct.

Hope this helps!!!!

Please mark my answer the Brainiest!!!!!!

Atoms contain positive, negative, and neutral. what happens when two positively charged particles are close together?
A.They repel each other
B.They cancel each other
C.They attract each other
D.They have no effect

Answers

Answer:

they repel each other

Explanation:

A is the ans

A. They repel each other

A wind up toy that is wound up and moving

Answers

Answer:

A wind-up toy is wound up and moving across level ground. The toy is speeding up.

Explanation:

this will or should helpyou

What is the formula for potassium nitrate?

Answers

It depends on which manner the formulae is being asked but the answer is: KNO3

If the density of a gold coin is 19.3g/cm3, what would be the density of the coin if you cut it in half?

Answers

Answer

19.3 g/cm3

Step-by-step-explanation

HURRY I WILL GIVE BRAINLIEST Which would be a common-sense practice in a lab environment? keeping quiet about accidents washing hands before the lab taking a water bottle to drink scratching one’s face during the lab

Answers

Answer:

washing your hands before the lab

Yea I would agree that washing your hands before the lab is the correct answer. Since you may have germs or chemicals from products on your hands and it may contaminate the experiment.

standard units of measure for density

Answers

Answer:

g/cm³ for solids,

g/ml for liquids

g/L for gases.

Explanation:

Though SI unit of density is kg/m³, for convenience we use g/cm³ for solids, g/ml for liquids and g/L for gases. Mathematically, density is defined as mass divided by volume:   ρ=m/V    

please, please, please help! this assignment is due in a few mins and idk what to do. I will mark the first/best answer brainliest! Why do substances exist as a solid, a liquid, or a gas?

Answers

Answer:

Explanation:

The atoms and molecules in gases are much more spread out than in solids or liquids. They vibrate and move freely at high speeds. A gas will fill any container, but if the container is not sealed, the gas will escape. Gas can be compressed much more easily than a liquid or solid

What is the mass number of beryllium

Answers

Answer:

9.012182 u

Explanation:

The answer would be 9

What is the Thermal Energy?​

Answers

The answer is removed hope this helps!

Answer:

Thermal Energy is a certain type of energy that Heats.

Explanation:

"Thermal" is derived from "Thermo" which means heat.

2. Heat is:
A. thermal energy
I B. infrared radiation
C kinetic energy
D. molecular movement.

Answers

A. Thermal energy good job
The answers will have to be A

Suppose 10 atoms of carbon (C) react with 20 atoms of oxygen (O). According to the Law of Conservation of Matter, how many atoms will there be in the product of this reaction?(1 point)
A) 20

B) 15

C) 10

D) 30

Answers

Answer:

D 30

Explanation:

whenever there is a reaction, the amount of atoms don't change, because matter can't be created or destroyed. Add the carbon and oxygen atoms together

According to the Law of Conservation of Matter, there will be 30 atoms of product in the reaction.

LAW OF CONSERVATION OF MATTER:

The law of conservation of matter states that matter can neither be created nor produced in a chemical reaction.

This further means that the amount of matter in the reactant of a reaction must equate that of the products.

Hence, if 10 atoms of carbon (C) react with 20 atoms of oxygen (O), there will be 10 + 20 = 30 atoms of product in this reaction.

Therefore, According to the Law of Conservation of Matter, there will be 30 atoms of product in the reaction.

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What is the volume of as sample that has a mass of 40.0 g and a density of 4.30 g/mL?

Answers

Explanation:

density = mass/volume so volume = mass/density = 40/4.30

The power to conduct elections is what type of power

Answers

Answer:

Unlike delegated powers, they are not listed specifically, but are guaranteed by the Tenth Amendment: "The powers not delegated to the United States by the Constitution, not prohibited by it to the States, are reserved to the States respectively, or to the people." Some traditional reserved powers include regulating ...

Explanation:

The anther of flower contains​

Answers

Answer:

here is your answer please mark me as brainlist

Explanation:

Answer # Stamen: The pollen producing part of a flower, usually with a slender filament supporting the anther. Anther: The part of the stamen where pollen is produced. Pistil: The ovule producing part of a flower. The ovary often supports a long style, topped by a stigma.

How do you know when a boy likes you? A. He talks to you a lot B. He is mean to you C. He hugs you a lot D. He tries to take your stuff from you

Answers

Answer:

I feel it would be C or D but more likely to be D

Explanation:

Answer:

I guess it is A he talks to u alot but boys are different so it could be each one u know?

Which of these can be described as a system of stars, gases, dust, and other matter that orbits a common center of gravity?
A.) nebula
B.) asteroid
C.) galaxy
D.) planet

Answers

The answer would be C. Galaxy.

The galaxy is defined as a system of stars, gases, dust, and other matter that orbits a common center of gravity. Thus the correct option is C.

What is a galaxy?

A galaxy is generally defined as the massive collection of billions of stars with their solar systems, gas and dust all guarded together by the center of gravity.

It is in the planet earth which is the part of our solar system we all live. The solar system is found to be the part of the galaxy called Milky Way. Our milky way galaxy also contains a supermassive black hole in the center.

There are several types of galaxies which are present in different shapes. Some of them are found to be in spiral shape and some other galaxies are seen as oval shaped and they are known as elliptical galaxies.

There are also some galaxies with irregular shapes and they are seen as blobs. It is the stars that are present inside each galaxies produces light and this massive system comprising of stars, dust gases and the matter are held by the gravity.

Thus the correct option is C- galaxy.

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Which of the following statements are not scientific hypotheses?

•Santa Claus exists.

The growth of corn in lowa depends on the amount of rain that falls.

•Theft is immoral.

•The bark of a specific tree is poisonous to mice

Answers

Answer:

.

Explanation:

1 and 3 aren’t a hypothesis

name two liquid fuels obtained from petroleum

Answers

Answer:

Diesel and kerosene.

Hope it helps :)

Answer:

Gasoline

Diesel

Kerosene

LPG

Rethanol

Ethanol

Butanol

Which of the following is NOT an extensive property?

Answers

Answer:

Density

Explanation:

It's an intensive property because it doesn't depend on mass

Questions
1 Describe two ways in which sodium chloride is different from sodium
frorent from chlorine
chlorine​

Answers

Answer:

The compound composed of these ions exhibits properties entirely different from the properties of the elements sodium and chlorine. Chlorine is poisonous, but sodium chloride is essential to life; sodium atoms react vigorously with water, but sodium chloride simply dissolves in water.

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