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Neko [114]
4 years ago
10

With pollution on the rise, and demand for fresh water increasing, world leaders are concerned that in the future many people wi

ll not have access to clean drinking water. Select the statement that best describes the long-term global effects of this behavior.
People do not need to be concerned because there is an unlimited supply of fresh water on the Earth so we will never run out.Fresh water is a limited resource. If we pollute the fresh water we have, there will be a shortage of clean drinking water in the future.The Earth is getting warmer and if all the ice melts the sea level will rise and we will have more fresh water.There will always be enough fresh water because the Earth is about 75% water and it surrounds every continent
Physics
2 answers:
Triss [41]4 years ago
8 0
<span>If we pollute the fresh water we have, there will be a shortage of clean drinking water in the future.</span>
Montano1993 [528]4 years ago
3 0

Answer: If we pollute the fresh water we have, there will be a shortage of clean drinking water in the future.

Explanation:

Water is the basic need for all living organisms on earth. As all organisms exhibit some part of body mass which includes water with regular functional activities the level of water in the body depletes as a result of this the demand for water in the body increases. The majority of diversity of living beings rely on freshwater for their survival.

The sources of freshwater on earth are reducing due to natural and human induced causes. The natural cause is the drought and the human induced cause is the deforestation which is related to the water cycle. If the water cycle is disturbed no more freshwater will be available. Also the human population is responsible for polluting the freshwater sources by discharging the sewage, industrial wastes and other pollutants. All these causes can be responsible for the shortage of clean drinking water in the future.

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Surface ocean currents are driven primarily by ________ and modified by ________
djverab [1.8K]
By Wind
By the Coriolis effect and land
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4 0
3 years ago
How will the amount of power change if less work is done in more time?
yKpoI14uk [10]

The amount of power change if less work is done in more time"then the amount of power will decrease".

<u>Option: B</u>

<u>Explanation:</u>

The rate of performing any work or activity by transferring amount of energy per unit time is understood as power. The unit of power is watt

Power = \frac{Work}{Time}  

Here this equation showcase that power is directly proportional to the work but dependent upon time as time is inversely proportional to the power i.e as time increases power decreases and vice versa.

This can be understood from an instance, on moving a load up a flight of stairs, the similar amount of work is done, no matter how heavy but  when the work is done in a shorter period of time more power is required.

7 0
3 years ago
Which sphere has the longest gravitational potential energy?
sveticcg [70]
Gravitational potential energy is the higher it us above the ground the more gravitational potential energy it holds.Sphere 2 says it has three times the mass of sphere 1. Therefore the answer is Sphere 2 since it was raised three time the mass of sphere 1. and the rest of the answer choices dont make sense.
5 0
2 years ago
A helium balloon ride lifts up passengers in a basket. Assume the density of air is 1.28 kg/m3 and the density of helium in the
max2010maxim [7]

Answer:

V = 381.70 m³

Explanation:

ρ air = 1.28 kg / m³

ρ helium = 0.18 kg / m³

R = 4.5 m

Vb = 0.068 m³

mb = 123 kg

To determine the volume of helium in the balloon when fully inflated

V = 4 / 3 π * R ³

V = 4 * π / 3 ( 4.5 m )³

V = 381.70 m³

To determine the mass total

m = ρ helium * V

m = 0.18 kg / m³  * 381.70  m³

m = 68.70 kg

mt = ( 68.70 + 123 )kg

mt = 191.70 kg

3 0
4 years ago
How to use kinetic energy to calculate velocity
BartSMP [9]

As we know the formula of kinetic energy is

KE = \frac{1}{2} mv^2

here given that

KE = 150,000 J

mass = 120 kg

we can use this to find speed

150,000 = \frac{1}{2} * 120 * v^2

v^2 = 2500

v = 50 m/s

So speed of above object is 50 m/s

7 0
3 years ago
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