Answers
Answer:
A
Explanation:
It depends on the scale of the volcanic eruption. A smaller eruption may only affect the nearby area, but a large one can affect the whole world. For example, the Krakatoa eruption of 1883 created an ash cloud which lowered global temperatures and affected the climate for a year afterwards.
An explosive eruption by a single volcano can affect only the lifeforms living on the volcano. The correct option is B.
What is a volcano?A volcano is an opening in the Earth's surface through which molten rock, ash, and gas can escape. Volcanoes are formed by the movement of tectonic plates, which create weak spots or vents in the Earth's crust where magma can rise to the surface.
Volcanoes can form in different ways, but most are formed at plate boundaries, where one tectonic plate is moving under another (subduction zone), or where two plates are moving away from each other (divergent boundary). When magma rises to the surface, it can form a volcanic cone or mountain over time.
There are three main types of volcanoes, based on their shape and the type of eruptions they produce:
(i)Shield volcanoes - broad, gentle slopes formed by lava flows that spread out over a wide area.
(ii)Stratovolcanoes (also called composite volcanoes) - tall, steep-sided cones formed by alternating layers of lava, ash, and other volcanic debris.
(iii)Calderas - large, basin-shaped depressions that form when a volcano collapses or erupts so forcefully that it empties its magma chamber.
Volcanoes can be active, dormant, or extinct. Active volcanoes are those that have erupted recently or are expected to erupt soon, while dormant volcanoes have not erupted in a long time but could still erupt in the future. Extinct volcanoes are those that have not erupted in thousands of years and are unlikely to erupt again.
Here in the question,
An explosive eruption by a single volcano can have a significant impact on the surrounding environment and local communities, but its effects are generally limited to the immediate vicinity of the volcano. The eruption may release ash, gases, and lava flows that can cause damage to nearby ecosystems and affect the health of humans and animals living in the area. However, the effects are unlikely to extend beyond the local region, let alone affect lifeforms throughout the world.
Therefore, B. only the lifeforms living on the volcano, is the correct option.
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Related Questions
A hiker, weighing 560 newtons, takes 140 seconds to walk to the top of a hill with a height of 60 meters. How much power does the hiker develop?
A. 240 W
B. 1300 W
C. 2400 W
D. 78,000 W
Answers
Answer:
A -- 240
Explanation:
It takes around 270 to cycle more newtons up a hill
give any 2 evidence of the unsual expansion of water
Answers
Answer:
The anomalous expansion of water is an abnormal property of water whereby it expands instead of contracting when the temperature goes from 4o C to 0o C, and it becomes less dense.
Explanation:
The density is maximum at 4 degree centigrade and decreases below that temperature as shown in graph.
What is the name for a supporting force that acts upward and in a direction perpendicular to a surface
Answers
where are metamorphic rocks formed? And how are they formed
6th Grade Earth science
Answers
Answer:
Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors. Conditions like these are found deep within the Earth or where tectonic plates meet.
A particle moves in the xy plane in a circle centered on the origin. at a certain instant the velocity and acceleration of the particle are 6. 0 m/s and (3. 0 + 4. 0) m/s2. what are the x and y coordinates of the particle at this moment?
Answers
The x and y coordinates of the particle at this moment is (6x + 4.5y) m.
Position of the particleThe position of the particle at any instant is determined from the velocity and acceleration of the particle as shown below.
v² = u² + 2as
where;
v is the final velocity of the particleu is the initial velocitya is the acceleration of the particles is the position of the particlev² = 0 + 2as
v² = 2as
s = v²/2a
X and y - coordinates of the particle[tex]s_x = \frac{v^2}{2a_x} = \frac{6^2}{2(3)} = 6\ m\\\\s_y = \frac{v^2}{2a_y} = \frac{6^2}{2(4)} = 4.5 \ m\\\\s = (6 x \ + 4.5y)m[/tex]
Thus, the x and y coordinates of the particle at this moment is (6x + 4.5y) m.
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Which is an example of measurement that considers velocity? A the size of a standard basketball B the speed of baseball pitch C the placement of players on a field D the study of how records get broken
Answers
Answer: B, the speed of baseball pitch
Explanation:
The speed of a baseball pitch is an example of a measurement that considers velocity, therefore the correct answer is option B.
What is speed?The total distance covered by any object per unit of time is known as speed. It depends only on the magnitude of the moving object. The unit of speed is a meter/second.
average speed = total distance /Total time
The speed of the baseball pitch is an example of the measurement of velocity.
The size of a standard basketball is an example of the measurement of length.
similarly, option C and option d are unrelated to the measurement of the velocity.
The correct response is option B since a baseball pitch's speed is an example of a measurement that takes velocity into account.
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conventionally anti clock wise torque is taken as?
Answers
Answer:
An anti-clockwise movement is taken as a positive and a clockwise moment is taken as a negative.
1. What is the approximate age of the fossil described in the activity?
1.8 million years
18 million years
.9 million years
90 million years
Answers
Answer:
B.
Explanation:
It should be B. 18 million years ago.
I apologize if it is incorrect-
I hope it helps! Have a great day!
Anygays-
Answer:
B. 18 million years
Explanation:
The answer is B. 18 million years
I hope it helps! Have a great day!
Muffin ^^
How to prepare for physics ATP exam o'levels?
Answers
Spend time on this subject. Physics may have some concepts which are difficult for students to understand in some cases. A key example is electricity and magnetism. Spend extra time on topics you find difficult and most of all, remember to do PAST PAPERS. These will be your light in the dark, your teachers, your friends. Continue to do them, and remember to leave one unsolved before your examinations. This will orient your mind for the examination and let you achieve the maximum marks possible.
The electromagnetic spectrum is the complete range of electromagnetic radiation ranging from radio waves to gamma rays. Which type of radiation in this spectrum is associated with observable colors such as red, green, and blue?.
Answers
what does goin to get da milk mean
Answers
Answer:
going to get the milk
Explanation:
mark me as brainiest
An ideal single movable pulley requires an input force that is one-half the ouput force.
True False
Answers
Why do the wavelengths of the absorption and emission lines match?.
Answers
what force much be applied to stop a 1400kg car that is initially traveling at 13 m/s over a 5 second time period
Answers
Answer:
As per Provided Information
Mass of car m is 1400KgInitial velocity u is 13m/sTime taken to stop t is 5 second .Final velocity v is 0m/swe have been asked to determine the force applied to stop the car. First we will calculate the acceleration of the car.
[tex] \boxed{\bf \: a \: = \dfrac{(v - u)}{t}}[/tex]
Substituting the value and let's solve it
[tex] \longrightarrow\sf \: a \: = \dfrac{0 - 13}{5} \\ \\ \\ \longrightarrow\sf \: a \: = \cfrac{ - 13}{5} \\ \\ \\ \longrightarrow\sf \: a \: = - 2.6 \: {ms}^{ - 2} [/tex]
Now, let's calculate the force applied to stop the car .
[tex] \pink{\boxed{\bf \: F = ma}}[/tex]
Substituting the value we get
[tex] \longrightarrow \sf \: F = 1400 \times ( - 2.6) \\ \\ \\ \longrightarrow \sf \: F = - 3640 \: N[/tex]
Here , negative sign show that the " Force is acting in opposite direction of the motion"
Therefore,
3640 Newton force is required to stop the car .Without using a micrometer screw gauge, how do I find the average diameter of a long piece of thin wire using a metre rule and a uniform glass rod?
Answers
Answer:
Wind the long piece of thin wire around the uniform glass rod multiple times, find the length of the total diameters using the metre ruler, and divide by the number of times you wound it around the rod.
Explanation:
Since the diameter of one long piece of thin wire is too thin to be measured by a metre ruler, you can wind it multiple times and push it side by side to get a length you can measure.
For example, if you wound it around 20 times and the total length of 20 diameters of the wire side-by-side is 2.0 cm, one winding, which is the diameter would be 2.0cm ÷ 20 = 0.10cm or 1mm.
how can magnets cause objects to have kinetic energy?
please help asap
Answers
Hope this helps!
Have a nice day!
WILL GIVE BRAINLIEST!!!
What is the equivalent resistance of a circut that contains two 50.0 resistors connects in parellels with a 12.0 V battery?
o A. 25.0
o B. 0.040
o C. 100.0
o D. 0.48
Answers
Answer:
1/Re=1/R1 +1/R2= 2x1/R1=2/R1=2/R2=2/50=1/25
1/Re=1/25, so the answer is Re= 25
the answer is A. 25.0
Answer:
A. 25.0
Explanation:
1/Re = 1/R1 + 1/R2 = 2 x 1/R1 = 2/R1 = 2/R2 = 2/50 = 1/251/Re = 1/25
The answer is Re= 25
I hope this helps! Have a great day!
Anygays-
About how long does light take to cross the milky way galaxy?.
Answers
Answer:
100,000 to 200,000 years to cross the milky way.
Explanation:
What are some downsides to fossil fuels? (Select all that apply.)
They release large amounts of carbon dioxide when burned.
They are in a limited supply.
They are expensive to extract compared to other forms of energy.
They do not replenish themselves.
Answers
Answer:
They release large amounts of carbon dioxide when burned.
They are expensive to extract compared to other forms of energy.
They do not replenish themselves
Explanation:
You need to move a large refrigerator. It has a mass of 300 kg. You want to accelerate it at a rate of 3 m/s/s. What force must you apply?
Answers
Answer:
900 N
Explanation:
F = ma
= 300 (3) = 900 N
What is the frequency of a wave that has a period of 5 seconds
Answers
Answer:
0.20 Hz
Explanation:
Frequency is the reciprocal of the period. The period is 5 seconds, so the frequency is 1/(5 s) = 0.20 Hz.
HELP ME PLEASEEEE ILL GIVE BRAINLY
Answers
Answer:
Labeling from top left to bottom right
A) transmission - direct light being transmitted as direct light
B) reflection - light being reflected back
C) refraction - incident light being refracted
D) diffraction - diffracting slit shown
E) absorption - light absorbed and reemitted
F) scattering - light scattered in different direction
How would the removal of the rabbit population affect the other populations in
the ecosystem?
A.
B.
The field mouse population will decrease.
The snake population will increase.
The lizard population will increase.
The tree population will decrease.
C.
D.
Answers
a 65 kg climber on top of Mount Everest (8800 m high). what is the gravitational potential energy?
Answers
Answer:
He has 5,609,404 J of potential energy
Explanation:
P.E. = M*G*H
65 * 9.8^2 * 8800
The potential energy of the climber whos weight is 65 kg at a height of 8800 m is 5.6 × 10⁶ Joules.
What is Potential energy?The potential energy of a body is defined as that generated by virtue of its position which is the form of energy stored in an object when it is at rest. When a body stops its motion, its kinetic energy is converted into potential energy.
Potential energy is related to the mass 'm' and height 'h' of the object from the ground and the acceleration due to gravity g is expressed as:
PE = m g h.
For above given information, mass of the climber = 65 Kg
Height of the mountain = 8800 m
g = 9.8 m/s²
Thus, PE = 65 kg × 8800 m × 9.8 m/s² = 5.6 × 10⁶ Joules.
Thus, the potential energy of the climber will be 5.6 × 10⁶ Joules.
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use convention factors to convert
20kHz to Hz
Answers
Answer:
20kHz = 20000Hz
Explanation:
The frequency in hertz (Hz) is equal to the frequency in kilohertz (kHz) times 1000
During which month will the pointer stars of the Big Dipper point directly upward, away from the horizon?
Pls helppp
Answers
Answer:
April
Explanation:
Systems in the body interact to carry out life functions. The muscles of the body are part of the musculoskeletal system. Which system provides the impulses that cause the muscles to contract?
A.
circulatory
B.
integumentary
C.
respiratory
D.
nervous
Answers
Under what circumstances can differentiation occur in a planet?.
Answers
A sample of helium behaves as an ideal gas as it is heated at constant pressure from 273 K to 388 K. If 80 J of work is done by the gas during this process, what is the mass of the helium sample? The universal gas constant is 8.31451 J/mol · K. Answer in units of g
Answers
The mass of the helium gas sample after the work is done by the gas during the process is 0.099 g.
Number of moles of the helium gasThe number of moles of the helium gas is calculated as follows;
W = nRT
where;
n is the number of molesW is the work doneR is universal gas constant = 8.31451 J/mol · KT is the final temperature = 388 K273 K = 0⁰C and 388 K = 115⁰ C
from 0⁰C to 115⁰C = 115 - 0 = 115⁰ C
115⁰ C = 388 K
The number of moles is calculated as follows;
n = W/RT
[tex]n = \frac{80}{8.315 \times 388} \\\\n = 0.0248 \ mol[/tex].
Mass of the helium sampleMass of the helium sample is calculated as follows;
m = Mn
where;
M is the molar mass of helium gas = 4 g/molm = 4 g/mol x 0.0248 mol
m = 0.099 g
Thus, the mass of the helium gas sample after the work is done by the gas during the process is 0.099 g.
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Questions #7 and 8:
Part 1 of 2: An ideal gas, initially at a volume of 6.22222 L and pressure of 9 kPa, undergoes isothermal expansion until its volume is 8 L and its pressure is 7 kPa. Calculate the work done by the gas during this process. Answer in units of J.
Part 2 of 2: Find the heat added to the gas during this process. Answer in units of J.
Answers
(a) The work done by the ideal gas during the isothermal exapnsion process is -3.556 J.
(b) The heat added to the gas during this process is 3.556 J.
Work done by the ideal gas
The work done by an ideal gas in isothermal expansion is change in pressure and volume of the gas. The change in the internal energy of the gas is zero.
The work done by the given ideal gas is calculated as follows;
W = ΔPV
where;
ΔP is change in pressure of the gasΔV is change in volume of the gasW = (P₂ - P₁)(V₂ - V₁)
W = (7kPa - 9kPa)(8L - 6.222L)
W = -3.556 kPa.L
1 kPa.L = 1 J
W = -3.556 J
Heat added to the processΔU = q + w
where;
ΔU is change in internal energy = 00 = q + (-3.556)
q = 3.556 J
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