What kind of atmosphere surrounds mercury?
none
carbon dioxide
methane
dense clouds

Answers

Answer 1

Answer:

None

Explanation:

Mercury does not have a atmosphere because it is simply to hot. Because of its temperature it's atmosphere is constantly being replenished as the atoms escape into space.


Related Questions

1. Use the picture on page 3 of the lesson in Connexus to help you label each part of the wave below:

a.
b.
c.
d.

Answers

A) amplitude
B) Trough
C) wavelength
D) crest
Hope this helps!! :)

Describe the electric and magnetic fields of an electromagnetic wave.

Answers

The electric field and magnetic field of an electromagnetic wave are perpendicular (at right angles) to each other. They are also perpendicular to the direction of the EM wave. EM waves travel with a constant velocity of 3.00 x 108 ms-1 in vacuum.

A newly developed military robot has a sense of self-preservation and can also make decisions for itself in warfare. what form of ai is this?


the robot exhibits signs of

ai, which is a sub-form of

ai

Answers

The type of artificial intelligence used in the area of military operations is deep learning artificial intelligience.

What is artificial intelligence?

The term artificial intelligence has to do with the simulation of the decision making ability of the brain in machines.

This has also been experimented in the area of military operations. This type of artificial intelligence is called deep learning artificial intelligience.

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Can someone please answer this, ill give you brainliest Would be very appreciated.

Answers

Answer:

O ice

Explanation:

Albedo refers to the proportion of the incident light that is reflected by a surface to the amount of incoming light.

Here, only ice will reflect even some amount of light. Pavement and dirt do not reflect at all, meanwhile, where glass reflects slightly.

Answer:
ice
Explanation:
because i see the ice albedo

lookup the composition for air. what is the percentage of nitrogen and oxygen present in the air we breathe​

Answers

78 percent nitrogen and 21 percent oxygen

Write down at least 3 equations as you solve them

Answers

Answer:

3+7=          7x3=                                21➗7=          

Explanation:

3+7= 10              7 8 9 10

7x3= 21                  7 14 21

21➗7=3        21 14 7

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Two rocks, a and b, are thrown horizontally from the top of a cliff. rock a has an initial speed of 10 meters per second and rock b has an initial speed of 20 meters per second. how would you describe the time it takes for the rocks to reach the ground and the horizontal distance they travel? both rocks hit the ground at the same time and at the same distance from the base of the cliff. both rocks hit the ground at the same time, but rock b lands twice as far as rock a from the base of the cliff. both rocks hit the ground at the same time, but rock a lands twice as far as rock b from the base of the cliff. rock b hits the ground before rock a, and rock b lands twice as far as rock a from the base of the cliff.

Answers

Both rocks hit the ground at the same time and at the same distance from the base of the cliff. Option A is correct.

What is speed ?

Speed is defined as the rate of change of the distance or the height attained. it is a time-based quantity. it is denoted by u for the initial speed while u for the final speed. its SI unit is m/sec.

If the  resistance is ignored, things falling near the Earth's surface have the same estimated acceleration due to gravity of 9.8 meters per second.

As a result, the objects' acceleration is the same, and their velocity is growing at a consistent pace.

So that both rocks hit the ground at the same time and at the same distance from the base of the cliff.

Hence, option A is correct.

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A car moving with a velocity of 30 ms-1 is stopped by the application of brakes which imparts a radiation of 6 ms-2 to the car.
1. how long does it take for the car to come to stop
2. how far does the car travel during the time the brakes are applied
somebody please help me solve this and do explain..​

Answers

[tex]\huge{\color{red}{\fbox{\textsf{\textbf{Answer}}}}} [/tex]

1) 5 seconds

2) 75 meters

Explanation:

Refer to the attachment

How hot must a star get before it becomes a star?

Answers

Answer: 10 million degrees

Explanation:

Hope this helps :)

The mass of 1 dozen dimes is 27.22 g. the numerical value of the mass of 5 dozen dimes can be obtained by

Answers

Answer:

by obtaining the total mass of the dimes present:

d = 27.22 g / dozen       the density of dimes

M = n * d = 5 dozen * 27.22 g / dozen = 126.1 g

Why do you think there are so many more autotrophs than consumers on Earth?
Helppp

Answers

There are many Autotrophs than consumers because : Autotrophs are the bases of any food chain/web

Function of Autotrophs

Autotrophs capture the energy required for every food chain or web from which sustains other organisms in the food chain form sunlight and chemicals. Also there is always more biomass present in the lower levels of the trophic system as biomass decreases as we move up the food chain.

Since autotrophs are producers, for a healthy food chain there would be more autotrophs than consumers.

Hence we can conclude that There are many Autotrophs than consumers because : Autotrophs are the bases of any food chain/web

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A company is creating an advertisement for colored contact lenses. In the ad, the company wants to include the
phrase "Each contact lens is like a second
Which part of the eye would be most accurate in completing the phrase?
retina
sclera
iris
pupil

Answers

iris—thats the colored part

Answer:

option C) the iris

Explanation:

2023

A 0.400-kg block of iron is heated from 295 oK to 325 oK. How much heat had to transfered to the iron?

Answers

The quantity of heat that was transferred to the block of iron is 5544 J or 5.544 kJ

Quantity of Heat

From the question, we are to determine how much heat was transferred to the block of iron

Using the formula,

Q = mcΔT

Where Q is the quantity of heat

m is the mass

c is the specific heat capacity of the substance

and ΔT is the change in temperature

From the given information,

m = 0.400 kg

ΔT = 325 - 295 = 30 K

Putting the parameters into the equation, we get

Q = 0.400 × 462 × 30

(NOTE: Specific heat capacity of iron = 462 J/kg.K)

∴ Q = 5544 J

Hence, the quantity of heat that was transferred to the block of iron is 5544 J or 5.544 kJ

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3. Classify the different types of spectra by how they are created. Physical science

Answers

Answer:

Most light sources can be classified into three main types: continuous, absorption, and emission. A hot, opaque object, like the filament in an incandescent light bulb, emits a continuous spectrum, having light of all wavelengths. A hot, dense gas is another example of an object that emits a continuous spectrum.

Explanation:

the earth had a mass of 6,000,000,000,000,000,000,000,000 kg. and a radius of 6,371,000 m, what will be the gravitational force experienced by a puppy with a mass of 4.6 kg playing on the earth sur face

Answers

Answer:

Mass of Earth (M1) = 6×10^24 kg

Mass of Puppy (M2) = 3.6 kg

Radius (R) = 6371000 m

Universal Gravitational Constant (G) = 6.67 × 10^11

Now,

Gravitational Force = G×M1×M2 / R^2

GF = 6.67 × 10^11 × 6 × 10^24 × 3.6 / (6371000)^2

GF = 144.072 × 10^35 / 40,589,641,000,000

GF = 3549.477 × 10^20

The speed of a 120 meter long train is 54 km per hour. it crosses a bridge in 32 seconds.

1. determine the length of the bridge in kilometer.
2. determine the speed of the train in kilometer per hour to cross the bridge in 24 seconds.
3. determine the length of the train when the speed of the train is 54 km per hour and it cross the bridge in 36 seconds.

Answers

1. The length of the bridge is 360 m.

2. The speed of train in km/hr to cross the bridge in 24 s is 72 km/hr.

3. The length of the train when it cross the bridge in 36 seconds is 540 m.

What is speed?

Speed is the ratio of distance traveled and the time taken to cover that distance.

1.

The speed of train m/s is 54 x 5/18 = 15 m/s

The train crosses the bridge in 32 s, distance traveled by train will be

=32 x 15 =480m

The length of the bridge = (480 -120) =360 m

Thus, the length of the bridge is 360 m.

2.

Speed of train in m/s to cross the bridge in 24 s

= 480/24 = 20 m/s

Speed in km/hr =20 x 18/5 = 72 km/hr

Thus, Speed of train in km/hr to cross the bridge in 24 s is 72 km/hr.

3.

Speed of train in m/s =15 m/s

Train crosses the bridge in 36 s, then length of train will be

= 15 x 36m = 540m

Thus,  the length of the train when it cross the bridge in 36 seconds is 540 m

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7,293 ÷ 8 what is this

Answers

Answer: 911.625

Explanation:

Answer:

911.625 is the answer of your question

Help me pleaseee

a battery-operated toy draws 0.2 a of current from a battery pack. if the total resistance
of the boy is 362, what is the voltage of the battery pack?

Answers

I believe the voltage of the battery pack is 1810

A student measured the length of a wire four times using a meter rule and obtained the following readings: 18.6cm, 18.5cm 18.6cm and 18.5cm. Determine the length the student should record.​

Answers

The length the student should record as correct is ​18.55 centimeters (cm) because it is the average value.

What is the average value?

The average value is a number associated with the middle amount for a given number of measured samples.

In this case, the median value results less useful to describe a set of data when compared to the average.

In conclusion, the length the student should record as correct is ​18.55 centimeters (cm) because it is the average value.

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Ronnie kicks a playground ball with an initial velocity of 16 m/s at an angle of 40° relative to the ground. what is the approximate horizontal component of the initial velocity? 0.64 m/s 0.77 m/s 10.3 m/s 12.3 m/s

Answers

The horizontal component of the velocity with which Ronnie kicks a playground ball is 12.3 m/s.

Horizontal component of the velocity

The horizontal component of the velocity with which Ronnie kicks a playground ball is calculated as follows;

Vx = Vcosθ

where;

V is the initial velocityθ is the angle of projection

Vx = 16 x cos(40)

Vx = 12.3 m/s

Thus, the horizontal component of the velocity with which Ronnie kicks a playground ball is 12.3 m/s.

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Answer:

D) 12.3

Explanation:

took the test

Please help me guys please help please

Answers

Answer:

C = frequency × wavelength, where C is the speed of the photons which is the speed of light ~3×10^8

frequency = C/wavelength

f = 3×10^8/400×10^-9m

f = 3/4 × 10^15Hz

f = 0.75×10^15Hz

f = 7.5×10^14Hz

I need help with this ASAP!!

Answers

Answer:

C

Explanation:

High pitch due to high frequency b/c of doppler effect. The sound waves in front of the vehicle are being squashed together by the moving ambulance. This causes more vibrations to reach your ear per second.

A motorcycle starts 20m west of a reference point. It moves at a constant velocity for 5s, reaching a position of 10m east of the reference point.

What is the motorcycle’s average velocity?

Answers

The motorcycle's average velocity will be 6 m/sec. The ratio of the overall distance traveled to the total time taken by the body is the average velocity.

What is average velocity?

The average velocity is the ratio of the total distance traveled to the total time taken by the body. Its unit is m/sec.

Total distance travelled by the  motorcycle;

d=20 m+10 m

d=30 m

The average velocity is found as;

[tex]\rm v_{avg}=\frac{d}{t} \\\\ \rm v_{avg}=\frac{30}{5} \\\\ v_{avg}= 6 \ m /sec[/tex]

Hence,the motorcycle’s average velocity will be 6 m/sec.

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A length of wire is cut into 3 equal pieces. if each piece has a resistance of 0.20 , what is the resistance of the original length of wire?

Answers

Answer:

0.6

Explanation:

the original wire is three times the length there fore the longer the wire the more resistance

therefore the resistance of the original wire is 3 times greater making it 0.6

An 95 Watt TV is plugged into a 115 volt circuit.
The TV operates for 120 minutes. If the cost of energy is
8¢ per kW-hr, how much does it cost to run the TV
for 120 minutes?

Answers

120 min = 2 hours

95 x 2 : 1000 =0.19 kwh

8¢ x 0.19 kwh = 1.52¢

The cost of running the 95 W TV for 120 minutes if charged at 8 ¢ per kWhr is 1.52 ¢

How to determine the energyPower ( P) = 95 W = 95 / 1000 = 0.095 KWTime (t) = 120 mins = 120 / 60 = 2 hrEnergy (E) =?

E = Pt

E = 0.095 × 2

E = 0.19 KWhr

How to determine the cost of operationEnergy (E) = 0.19 KWhrCost per KWhr = 8 ¢ Cost =?

Cost = Energy × Cost per KWhr

Cost = 0.19 × 8

Cost = 1.52 ¢

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One evening, a student tells her sister that the Sun only appears brighter than other stars because the Sun and stars are different distances from Earth. Her sister disagrees, so the student supports her argument by asking her sister to observe the brightness of streetlights throughout their neighborhood. Which observation would support the student’s argument?

Answers

Comparing and analyzing the brightness of near and farther streetlight would support the student’s argument.

Which observation would support the student’s argument?

The brightness of nearer streetlight is more as compared to the brightness of the farther light because brightness decreases with the increase in distance.

So we can conclude that comparing and analyzing the brightness of near and farther streetlight would support the student’s argument.

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The diagram shows different body planes.



X: frontal; Y: sagittal; Z: transverse
X: sagittal; Y: frontal; Z: transverse
X: transverse; Y: sagittal; Z: frontal
X: frontal; Y: transverse; Z: sagittal

Answers

The diagram shows different body planes. X shows sagittal,Y shows frontal and Z shows transverse axis. Option B is correct.

What is frame of reference?

A frame of reference is a mathematical and physical coordinate system whose origin, direction, and scale are given by a collection of reference points.

1. Frontal Plane divides the body into front and posterior sections.

2. The Sagittal Plane divides the body into left and right halves.

3. The transverse plane divides the body into superior and inferior halves.

The diagram shows different body planes. X shows sagittal,Y shows frontal and Z shows transverse axis.

Hence,option B is correct.

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What is one way that light waves differ from sound waves?(1 point)

Answers

Light waves are transverse while sound waves are longitudinal. Light waves can travel in vacuum. Sound waves require a material medium to travel, and hence, cannot travel in vacuum. The speed of light in a medium is constant.

Hope this helps!
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Amber likes riding her bicycle through her neighborhood where there are lots of hills. she rides down a very steep hill, and then goes up a small hill. she doesn't need to pedal as her bicycle carries her up the small hill. how do amber's kinetic energy and potential energy change as she goes uphill

Answers

Answer:

Her kinetic energy decreases and her potential energy increases.

Explanation:

how to convert 54km.h to m.s​

Answers

Answer:

15m/s

[tex] \: [/tex]

Explanation:

Before converting , Let's recall this :

1 km = 1000 metres

1 hour = 3600 seconds

[tex] \: [/tex]

Now, Let's Convert it :

[tex] \\ \longrightarrow \qquad \sf \: 54km / hr \\ [/tex]

[tex]\\ \longrightarrow \qquad \sf \: \frac{54 \times 1km}{1hr} \\ [/tex]

[tex]\\ \longrightarrow \qquad \sf \: \frac{54 \times 1000m}{3600s} \\ [/tex]

[tex]\\ \longrightarrow \qquad \sf \: \frac{54000 m}{3600s} \\ [/tex]

[tex]\\ \longrightarrow \qquad \sf \: \frac{540\cancel{0 }\cancel{0} m}{36 \cancel{0 }\cancel{0}s} \\ [/tex]

[tex]\\ \longrightarrow \qquad \sf \: \frac{540 m}{36s} \\ [/tex]

[tex] \\ \longrightarrow \qquad \frak{\pmb{ 15m /s}} \\ [/tex]

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