What is the role of gravity in the solar system?

Answers

Answer 1

Answer:

Explanation:

Gravity is what holds the planets in orbit around the sun and what keeps the moon in orbit around Earth. ... Gravity creates stars and planets by pulling together the material from which they are made. Gravity not only pulls on mass but also on light.


Related Questions


How do the rock cycle and the carbon cycle relate to each other?

Answers

Answer:

Through a series of chemical reactions and tectonic activity, carbon takes between 100-200 million years to move between rocks, soil, ocean, and atmosphere in the slow carbon cycle. ... The acid dissolves rocks—a process called chemical weathering—and releases calcium, magnesium, potassium, or sodium ions.

state two advantages of parallel over series connection in table form?​

Answers

Advantages of parallel combination over series combination are:

1) In parallel combination each appliance gets the full voltage.

2) If one appliance is switched on/of others are not affected.

3) The parallel circuit divide the current through the appliances. Each appliance gets proper current depending on its resistance.

4) In a parallel combination it is very easy to connect or disconnect a new appliance without affecting the working of other appliances.

choose what you like!

Note that there are also some disadvantages to using parallel connections over series connections, such as increased complexity in wiring and the need for additional safety measures when working with high voltage circuits. The choice between series and parallel connections depends on the specific requirements of the circuit and the devices being used.

Question 1 (4 points)
Which of the following is/are true about Van der Waals forces?



A. They are very weak

B. They are a a type of momentary dipole

C. Both 1 and 2 are correct

D. neither 1 nor 2 is correct


Answers

Answer:

C. Both 1 and 2 are correct.

Which metal is most likely to form more than one kind of positively charged ion?
A.Sodium
B.Barium
C.Nickel
D.Magnesium

Answers

C. Nickel, hope this helps!

Answer:

D.Magnesium

Explanation:

Cause imma nerd

someone please i need help

Answers

Answer:

the answer 32/43

Explanation:

The rule of three or is a way of solving problems of proportionality between three known values and an unknown value, establishing a relationship of proportionality between all of them. That is, what is intended with it is to find the fourth term of a proportion knowing the other three. Remember that proportionality is a constant relationship or ratio between different magnitudes.

If the relationship between the magnitudes is direct, that is, when one magnitude increases, so does the other, the direct rule of three must be applied. To solve a direct rule of three, the following formula must be followed:

a ⇒ b

c ⇒ x

So,  

The direct rule of three is the rule applied in this case as follows: If the change in water level is 0.05 inches per hour, what is the change in water level after 24 hours?

change in water level=1.2 inches

To pass a decimal number to a fraction, you must:

Put the decimal number in a fraction above a 1. That is, the decimal number is the numerator, 1 the denominator.

Find an equivalent fraction. That fraction will carry in the denominator a 1, an

Finally, the change in the water level of the pond after 24 hours is 1.2 inches or what is the same  inches

The solution starts with increased ________________

Answers

Answer:

Concentration

Explanation:

Answer:

concintracion

Explanation:

2
A train travels 25 km in 0.5 hrs. How fast is the train going?​

Answers

Answer:

15

Explanation:

Answer:

50 km/h

Explanation:

Since in half an hour it has gone 25km, double that (25 x 2) and you get your answer in km/h. Therefore, the train is going 50km/h.  

what are the different kind of nitrogen bases

Answers

Answer:

Four different types of nitrogenous bases are found in DNA: adenine (A), thymine (T), cytosine (C), and guanine (G). In RNA, the thymine is replaced by uracil (U).

Explanation:

yea

DNA and RNA have base pairs that form hydrogen bonds with complementary bases. The DNA molecule shown contains adenine, cytosine, guanine, and thymine. Which base does RNA not have?
A) Thymine B) Adenine C) Guanine D) Cytosine

Answers

Answer:

Thymine

Explanation: I took the test

The DNA molecule shown contains adenine, cytosine, guanine, and thymine. The base that RNA does not have is Thymine. The correct option is A.

What are DNA and RNA?

DNA and RNA both are genetic materials, and they both represent the genetic material of living organisms. All animals contain DNA in their body. Some plants or bacteria contain RNA as genetic material.

DNA and RNA both contain bases that are attached with a hydrogen bond. These bases are adenine, cytosine, guanine, and thymine. In RNA, the same bases are present.

In RNA, in place of thymine, there is uracil present. Uracil and adenine are joined together with a hydrogen bond. Cytosine and guanine are present together with a hydrogen bond.

Thus, the correct option is A.Thymine, regarding the base present RNA.

To learn more about DNA and RNA, click here:

https://brainly.com/question/26931852

#SPJ2

What is a Testable question I can use for tennis balls

Answers

Answer:

How long does it take for a tennis ball to fall from a certain height if recorded in different weather?

Explanation:

Can I have brainliest?

Answer:

How far can a ball travel if thrown during different wind speed?

Explanation:

Brainliest Plzzz!!!

when water changes state from a liquid to a solid is energy absorbed or lost?

Answers

Answer:

Loses

Explanation:

liquid changes into solid, heat is released. The energy released upon freezing, known as the enthalpy of fusion, is a latent heat, and is exactly the same as the energy required to melt the same amount of the solid.

Answer:

Matter either loses or absorbs energy when it changes from one state to another. For example, when matter changes from a liquid to a solid, it loses energy. The opposite happens when matter changes from a solid to a liquid. For a solid to change to a liquid, matter must absorb energy from its surroundings.

Explanation:

compare and contrast gymnosperms and angiosperms

Answers

(JSYK: this is technically biology)

Anyways, a gymnosperm is a plant (usually a tree) that has unprotected seeds, this means it bears no fruits and can include (but are not limited to) connifers, cycads, and the ginko. Angiosperms produce flowers to help fertilization and have protected seeds. They are also likely to produce fruits or vegetables.

Hope this helps, if not, comment down below please!!!

Which formula is an ionic compound?
A.NaF
B.N2
C.NO2
D.CO2

FIRST ACCUAL ANSWER GETS BRAINLIST :)

Answers

Answer:

NaF

Explanation:

Answer: the answer is Naf

Explanation
and I love pop tart kitties OWO but i hope this helped i have a in science so i got 100% on it bye bye OWO

which of the following lists contains only elements?
A ) air , water,oxygen
b) hydrogen, oxygen, brass
c) air , fire , water, earth
d) calcium, sulphur, carbon

Answers

C. air, fire, water, earth. 4 elements

What kind of reaction happens when two compounds switch elements? Apex

Answers

Answer:

A replacement reaction occurs when elements switch places in compounds. This type of reaction involves ions. Generally, more reactive elements replace less reactive elements. A single replacement reaction occurs when one element replaces another element in one compound.

Explanation:

Just figured it out!

Answer: a double - replacement reaction

Explanation:

I just got it right on Apex

Which pair of elements will have the same number of valence numbers

A- lithium and barium
B- gallium and germanium
C- tellurium and polonium
D- iondine and xenon

Mark as brainlist :)

Answers

Your answer would be C.

Tellurium and Polonium have 6 valence electrons.

How could the combustibility of a substance influence how the substance is used?

Answers

Answer:

Combustibility is a measure of how easily a substance bursts into flame, through fire or combustion. This is an important property to consider when a substance is used for construction or is being stored. It is also important in processes that produce combustible substances as by product

Use a sentence to describe how the mantle moves. Use another sentence to describe why the mantle moves this way.

Answers

Answer:

Correct distribution of your weight and shifting of your center of gravity are crucial for the mantling technique to...

Bring your foot as high as you can, preferably planting down the heel.

Free up your arms so that you can rotate your hand and push down with your palm.

Remember to chalk up.

I need help what is the Find the value of x

Answers

Answer:

45 degrees

Explanation:

as you can see, the box in the corner states that both the angles together are 90 degrees, and half of that is 45. 90/2=45

So, for his this value of x would be 45.


The unit for force is kg m/s.
True Or false?

Answers

The unit for force kg m/s is true

How does the atomic mass of the atom change when an electron is added or removed?

Answers

If you could magically make two neutrons in the nucleus of an atom disappear, the atomic number and the electrical charge of that atom would remain unchanged. Neutrons do not carry an electrical charge so adding or removing them from the nucleus does not change the electrical charge of the nucleus. It does, however, change the mass of the nucleus. Adding or removing neutrons from the nucleus are how isotopes are created.

Protons carry a positive electrical charge and they alone determine the charge of the nucleus. Adding or removing protons from the nucleus changes the charge of the nucleus and changes that atom's atomic number. So, adding or removing protons from the nucleus changes what element that atom is! For example, adding a proton to the nucleus of an atom of hydrogen creates an atom of helium. (Actually, a few neutrons have to be added as well to make the new nucleus stable, but the end result is still helium.) Keep in mind that atoms, by definition, are electrically neutral and always contain the same number of protons and electrons.

Help fast I have a few left

Answers

Answer: A

Explanation: 0.00624 x 10^8

All you have to do is move the . 8 units left

This gives you 624000.0

please answer its due in 10 minutes teacher just assigned it 5 minutes ago

Answers

Answer:

please upload a clearer picture

Answer:

1 Rain falling down

2)Freezing

3)Melting 4)Adding or removing energy from matter causes a physical change as matter moves from ome place to the other5)5he

*PLEASE HELP*
How do carbon radiometric dating utilize isotopes?

Answers

Answer:

Radiocarbon dating works by comparing the three different isotopes of carbon. Isotopes of a particular element have the same number of protons in their nucleus, but different numbers of neutrons. This means that although they are very similar chemically, they have different masses.

Explanation:

How does an increase in thermal energy influence the particles of the reactants in a chemical reaction?
Group of answer choices

it increases the chance of particles being properly aligned by increasing the number of collisions

it decreases the number of particle collisions

it increases the number of collisions by speeding up the particle motion

Answers

Answer:

the last one it increases number of collisions by speeding up the particle motion

Explanation:

the more thermal energy something it has the faster particles move

Which tools can be used to measure the volume of a substance? Select the two correct answers.
a. tape measure
b. digital balance
c. measuring cup
d. graduated cylinder

Answers

Perhaps the volumetric flask and the graduated cylinder

Answer:

graduated cylinder and a scale can be used to measure the volume of a substance. hope this is helpful

Explanation:

How many moles of potassium are there in 1 kg of potassium?

Answers

Answer:

i think its 39 not to sure

Explanation:

How many elements make up Sodium Bicarbonate?

Answers

Sodium bicarbonate (NaHCO3) is made up of 4 elements , Na, C, H, and O
4 elements! And it has the chemical formula NaHOC3. It has one sodium atom, one hydrogen atom, one carbon atom, and three oxygen atoms. Hope this helps!!!

(fill the blank)
The sex cells produced through meiosis each have ___.

A. half of the chromosome pairs from the original cell
B. a single chromosome from the original cell
C. pairs of chromosomes identical to the original cell
D. one chromosome from each pair in the original cell

Answers

Answer: A (Half of the chromosome pairs from the original cell

Explanation:

The answer will be A

What is the charge of an Pb atom with 81 electrons?

Answers

Answer:

+1 Because there are 82 protons.

Explanation:

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