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4 years ago

The joint comsec monitoring activity provides opsec assistance by:

1 answer:

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The answer to this question is: Monitoring of COMMAND SECURITY (COMSEC) processes and procedures.Communications security (COMSEC<span>) is the steps that could be carried oyt in the prevention of unauthorized access to telecommunications traffic The procedures will help people to understand basic first-aid to prevent their personal gadget from being hacked by a third party.</span>

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A mixture of mineral grains and rock fragments organic material water and gas that can support plant growth is called

Nataly_w [17]

Soil

Soil is the upper layer of the ground comprising of a mixture of sand, silt, clay, loose rock fragments, and organic matter that can support the growth of rooted plants. The relative proportions of sand, silt and clay determine the texture and size of the pores of the soil, which affects its ability to allow air and water to penetrate/infiltrate.

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3 years ago

Give the functions of the following parts of the respiratory system - Nostril - trachea - bronchiole - alveoli - pharynx - laryn

erica [24]

Answer:

Respiratory System: The respiratory system's main job is to move fresh air into your body while removing waste gases.

Nostril: To warm air on inhalation and remove moisture on exhalation.

trachea: Serves as passage for air, moistens and warms it while it passes into the lungs, and protects the respiratory surface from an accumulation of foreign particles.

bronchiole: To deliver air to a diffuse network of around 300 million alveoli in the lungs.

alveoli: To exchange oxygen and carbon dioxide molecules to and from the bloodstream during breathing.

pharynx: Helps the respiratory system by allowing air to make its way to the respiratory tract.

larynx: Produces vocal sounds and prevents the passage of food and other foreign particles into the lower respiratory tracts.

lungs: To help oxygen from the air we breathe enter the red cells in the blood.

ribs: To aid respiration and help protect the lungs.

diaphragm: Contracts and flattens when you inhale. Creates a vacuum effect that pulls air into the lungs, and relaxes when exhaling.

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3 years ago

An adaptation is a trait that ___.

Mazyrski [523]

It would be the last one. ' enables an organism to survive and reproduce.'

I was going to say C, but adaptions are changes, so they wouldn't continuously change.

Adapting helps the organism change in order to develop in its environment

Hope this helps :)

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3 years ago

Read 2 more answers

How are scientific processes important in solving problems? Give an example and EXPLAIN how these processes make solving this ex

xeze [42]

Scientific process

A step by step procedure of solving a problem is known as scientific process.

Explanation

To solve a problem following steps should be followed: Identification of problem through observation, Development of hypothesis, Experimentation to test hypothesis, Analyze the result of experiment, Conclusion to choose the best possible solution.

Example

1. Identification of problem through observation

Development of agriculture industry lead to soil pollution in the form of heavy metals which cause serious pose to human health. Data collected from environmental department show that heavy is adding day by day in the form of sewage drained from industries in to water, which has also affected aquatic life.

2. Development of hypothesis

Many strategies have been developed for cleaning or removal of heavy metals from soil such as cultivation of heavy metal tolerant plants, installation of plants which filter sewage water before entering into water table, use of bacteria that clean soil from heavy metals.

3. Experimentation to test hypothesis

To test hypothesis and experiment will be set up based on above mentioned method. However main focus should be given on cost, time and environmental friendly approach. To grow heavy metal accumulator plants will cost less but time consuming and after harvesting if their biomass is disposed off, it will again add heavy metals to soil. It is cost effective but time wasting process. Installation of plant to filter sewage is better method but it is cost effective and filter should be changed after a month which cost too much. The use of heavy metal tolerant bacteria is not too costly and once when they enter to soil having heavy metals will absorb heavy metals and will convert them into less toxic form. These bacteria will also reproduce and produce more offspring which will help in cleaning of soil

4. Analyzing result

It was observed in the results that use of plant of clean heavy metal is time wasting process. Similarly, installation of plant is also cost effective, however the use of bacteria for remediation of heavy metal is less costly and not harmful for environment.

5. Conclusion

It was concluded from results that bacteria should be applied for bio remediation purposes.

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4 years ago

How is a country's income related to its ecological impact

Alex_Xolod [135]

<span>The income of a country is related to its ecological impact because depending on the ecological conditions on which economic factors depend and the income productions they generate when the conditions are bad, part of the income must go to ecological recovery, and part of the income should be earmarked for ecological care and preservation. When conditions are good, the income earmarked for ecology is lower, but part of the income must always be contributed to the preservation and maintenance of the ecology of a nation.</span>

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4 years ago