Answer:
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Explanation:
1) antibiotic drugs can kill bacteria however, they are not effective against viruses
2) some bacteria's help to digest foods and speed up enzyme reactions. Some bacteria cells destroy disease causing cells
Answer:
With regard to bone decalcification secondary to hypocalcemia, what an endocrinologist and an orthopedist have in common is that they both focus on calcium levels.
Explanation:
Endocrinology and traumatology are two different medical specialties, however they can together treat a person with a metabolic disorder affecting the bones.
In the case of a person with thyroid problems, where probably the parathyroid glands are affected, there are low levels of calcium in the blood —hypocalcemia— which affects the bones secondarily by decalcification, both the endocrinologist and the traumatologist will coincide in the treatment of the serum calcium levels:
- <u>Endocrinologist</u> will treat the hormonal problem that produces low calcium in the blood.
- <u>Orthopedist</u> will indicate a calcium replacement treatment to improve the levels of the mineral in the blood, and restore the calcium lost by the bones.
The joint treatment of both specialists can guarantee the recovery of a patient with problems in the metabolism of calcium.
Answer:
For an object to become charged, it must either gain or lose electrons. Losing electrons results in more positive charge than negative charge, making the object charged positively. Gaining electrons results in more negative charge than positive charge, making the object charged negatively.
Answer:
d.Primary Succession
Explanation:
ECOLOGICAL SUCCESSION is the series of changes that a particular ecosystem undergoes over a particular period of time. Ecological succession can be of two types viz: primary succession and secondary succession.
Primary succession is a type of ecological succession that involves the colonization of a barren area of land with no soil i.e. no pre-existing organisms. The barren area consists of bare rocks and surfaces that are colonized by organisms like LICHENS for the first time. These organisms are called PIONEER.
The lichens act on the bare rocks by secreting chemicals that help degrade the rock particles to form soil, which paves way for other organisms like plants to grow.
The forest coverage is changing due to many reasons including deforestation and urbanization.
<h3>What is urbanization?</h3>
The demographic change from rural to urban areas, the concomitant reduction in the percentage of people living in rural areas, and the ways in which communities adapt to this change are all referred to as urbanization.
By trying to remove or fragmenting forest cover, urbanization has a direct impact on forest ecosystems.
Thus, it can be concluded that the changes in the forest coverage has occurred due to deforestation and insufficiency of land.
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