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lara [203]
3 years ago
10

Besides air pollution, the student was concerns about water/ocean pollution. They heard many recent issues of too much plastic i

n the ocean and other pollutants in the water. The pie chart below provides data on the sources and amounts of different pollutants entering the oceans.
first picture

The student read a news article that discussed the increase in amount of pollutants entering oceans and washing up on shores. The article included this image.
second picture


pick the answer

The greatest reduction in pollutants entering the ocean could be achieved if it were possible to reduce farm runoff/transportation/air pollutants/sewage/litter/ orindustry waste.

Physics
1 answer:
aalyn [17]3 years ago
7 0

Answer:

Sewage

Explanation:

It has the greatest percentage out of the pie chart.

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aksik [14]
The answer is #3: Oxidation because oxidation is when a substance reacts with oxygen, which causes the substance to rust.  When a rock contains iron and that iron comes in contact with oxygen, iron oxide is created; this weakens the rock.  
3 0
3 years ago
Read 2 more answers
The kinetic theory states that the particles in matter are always in?
OlgaM077 [116]
Motion is the correct word that fits in.
Hope this helps.
7 0
3 years ago
1. A rock of granite has a mass of 50 kg. if it’s weight in water
igor_vitrenko [27]

Answer:

The first part of the question is asking about BUOYANT FORCE or UPTHRUST.

Upthrust =TRUE WEIGHT-APPARENT WEIGHT

TRUE WEIGHT=mg

TRUE weight=50kg×10m/s²

=500N

upthrust=500N-380N

FB=120N

volume of the rock=mass/density.

since the granite is completely submerged, the volume of the displaced liquid will be equal to the volume of the body.

upthrust=Vdg

120N=V×1000kg/m³×10m/s²

120N=V×10000kg/m²s²

120/10000=V

v=0.012m³

please mark brainliest, hope it helped

6 0
3 years ago
The angle at which a wave strikes a surface is ___ the angle at which the wave is reflected.
Art [367]

Answer:

a)equal to

Explanation:

properties of a wave

applies in reflection

others include:refraction,diffraction,interference

5 0
3 years ago
A transformer has 1000 turns in the primary coil and 100 turns in the secondary coil. If the primary coil is connected to a 120
Marianna [84]

Answer:

The voltage on the secondary is 12 V while the current is 0.5 A.

Explanation:

A transformer works by changing the level of the voltage and current on a circuit using a magnetic field and two coils. The ratio by wich they are changed is dependant on the ratio of turns between the primary and secondary of the transformer. In this case we have a ratio for the voltage of:

ratio = (turns on the secondary)/(turns on the primary)

ratio = 100/1000 = 0.1

So in this case the voltage delivered to the primary will be multiplied by 0.1. We can now calculate the voltage on the secondary:

Voltage secondary = Voltage primary* ratio = 120*0.1 = 12 V

The transformer maintains roughly the same power output on both sides, since the power output on a electric circuit is given by the product of the voltage by the current on that circuit, to maintain the same power when the voltage has been droped the current must be raised by the same ratio. So we have:

Current secondary = Current primary*(1/ratio) =0.05*(1/0.1) = 0.5 A

6 0
3 years ago
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