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LUCKY_DIMON [66]
3 years ago
5

All of the following are problems caused by burning coal, except

Biology
1 answer:
yan [13]3 years ago
5 0

Answer:

D)radioactive waste is produced

Explanation:

Radioactive waste is a dangerous waste material which contains radioactive substances that are bad for health. These waste are produced in the nuclear reactor for the production of electric energy. Radioactive substances cause many diseases in human such as burning of skin and cancer. It is a non-biodegradable substance which remains in the soil for long periods of time and emit alpha, beta and gamma radiations.

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Partes del sistema linfatico
umka2103 [35]

Answer:

Explanation:

Le parti principali del tessuto linfatico sono il midollo osseo, la milza, la ghiandola del timo, i linfonodi, i linfonodi e le tonsille.

8 0
2 years ago
Why is knowledge and skills important in animal care and breeding? Explain in 3 to 5 sentences.
erik [133]

Answer:

to be thorough and pay attention to detail.

the ability to use your initiative.

to be flexible and open to change.

patience and the ability to remain calm in stressful situations.

the ability to work well with others.

the ability to accept criticism and work well under pressure.

To be successful as an animal breeder, you should have knowledge of the animal breeding process

a passion for animal breeding,

and knowledge of the potential risks of animal breeding.

Ultimately, a top-notch animal breeder should be an effective communicator, have good organizational skills, and be physically fit.

3 0
2 years ago
Mercury is a toxin that is of significant concern due to biomagnification. Explain how mercury found in an aquatic environment c
PIT_PIT [208]

Answer: Mercury has been well known as an environmental pollutant for several decades. As early as the 1950's it was established that emissions of mercury to the environment could have serious effects on human health. These early studies demonstrated that fish and other wildlife from various ecosystems commonly attain mercury levels of toxicological concern when directly affected by mercury-containing emissions from human-related activities. Human health concerns arise when fish and wildlife from these ecosystems are consumed by humans.

During the past decade, a new trend has emerged with regard to mercury pollution. Investigations initiated in the late 1980's in the northern-tier states of the U.S., Canada, and Nordic countries found that fish, mainly from nutrient-poor lakes and often in very remote areas, commonly have high levels of mercury. More recent fish sampling surveys in other regions of the U.S. have shown widespread mercury contamination in streams, wet-lands, reservoirs, and lakes. To date, 33 states have issued fish consumption advisories because of mercury contamination.

These continental to global scale occurrences of mercury contamination cannot be linked to individual emissions of mercury, but instead are due to widespread air pollution. When scientists measure mercury levels in air and surface water, however, the observed levels are extraordinarily low.

Explanation:

3 0
3 years ago
What is the name given to the network of smaller blood vessels providing nutrition to the walls of large blood vessels
ss7ja [257]

Answer:

capillaries

Explanation:

4 0
2 years ago
Inherited structures of bears
kirza4 [7]
Common characteristics of modern bears include large bodies with stocky legs, long snouts, small rounded ears, shaggy hair, plantigrade paws with five nonretractile claws, and short tails.
4 0
2 years ago
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