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Dovator [93]
1 year ago
8

Which of the following are negative consequences of cobalt mining in the Democratic Republic of Congo? Select the two correct an

swers.(1 point)
Thousands of children work in cobalt mines.


Increased cobalt mining causes a decrease in gold mining.


Dust from cobalt mines causes lung and skin damage.


The demand for cobalt is expected to double in the next 10 years.


Cobalt is sent to processing plants overseas.
Chemistry
1 answer:
Georgia [21]1 year ago
7 0

Some of the negative consequences of cobalt mining are pollution and child trafficking.

<h3>Effects of cobalt mining</h3>

Many young children are made to work in mines generally either due to continued struggle for survival or forced into it by child traffickers.

Apart from that, cobalt mining causes pollution in the environment. Inhalation of dust containing cobalt causes a host of health issues such as lung cancer and damage to human skin.

Other effects include soil degradation and pollution, water pollution due to mine run-offs, etc.

More on the effects of mining can be found here: brainly.com/question/2365629

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Answer:

Physical change

Explanation:

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3 years ago
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Which statement defines specific heat capacity for a given sample
avanturin [10]

The statement that defines the specific heat capacity for a given sample is the quantity of heat that is required to raise 1 g of the sample by 1°C (Kelvin) at a constant pressure.

<h3>What is specific heat capacity?</h3>

Specific heat capacity is the of heat to increase the temperature per unit mass.

The formula to calculate the specific heat is Q = mct.

The options are attached here:

  1. The temperature of a given sample is 1 %.
  2. The temperature that a given sample can withstand.
  3. The quantity of heat that is required to raise the sample's temperature by 1 °C1 °C (Kelvin).
  4. The quantity of heat that is required to raise 1 g of the sample by 1°C (Kelvin) at a constant pressure.

Thus, the correct option is 4. The quantity of heat that is required to raise 1 g of the sample by 1°C (Kelvin) at a constant pressure.

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8 0
1 year ago
Nitroglycerin (C3H5N3O9) is a powerful explosive. Its decomposition may be represented by 4C3H5N3O9 → 6N2 + 12CO2 + 10H2O + O2
almond37 [142]

Answer:

the guy infront of me

Explanation:

8 0
2 years ago
Every day, about 1 4 0 , 0 0 0 , 0 0 0 140,000,000140, comma, 000, comma, 000 plastic water bottles are bought in the United Sta
jeka94

Answer:

0.875 time.

Explanation:

The length of plastic water bottles are bought in the United States every day = (the no. of plastic water bottles are bought every day)(length of each bottle) = (140.0 million bottle)(0.25 m) = 35.0 million meter.

The length of the equator of the earth = 40.0 million meter.

∴ The times can the Earth's equator be circled by a line of plastic bottles used in the United States every day = (The length of plastic water bottles are bought in the United States every day)/(The length of the equator of the earth) = (35.0 million meter)/(40.0 million meter) = 0.875 times.

8 0
3 years ago
A substance has a volume of 10.0 cm3 and a mass of 89 grams. What is its density?
AlladinOne [14]
8.9 g/cm3 since density equals mass/volume or m/v you just divide 89 by 10 to get 8.9
4 0
2 years ago
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