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denpristay [2]
3 years ago
9

Un cilindro metálico de 80 kg, 2.0 m de longitud y un área de 25 cm? en cada base. Si una de sus bases está en contacto con el p

iso ¿Qué presión ejerce el cilindro sobre el suelo?
Biology
1 answer:
Feliz [49]3 years ago
5 0
English? Maybe hold up ima use a translation
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The cell mass that develops from the fertilized egg implants itself in the uterine wall during the ____ stage of prenatal develo
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I believe its the embryonic stage
7 0
3 years ago
What may cause the city of Buenos Aires to have higher average rainfall than Cape Town even though they have similar yearly aver
Zina [86]

Answer:

The climate of Buenos Aires is dominated by the semi–permanent South Atlantic High throughout the year. This brings in moist winds from the northeast, which brings most of the precipitation to the city. During winter, it brings in frontal systems responsible for precipitation in the city.

6 0
2 years ago
Identify two examples of environmental factors that may impact salivary peroxidase activity. Describe how each of the environmen
charle [14.2K]

Answer:

Examples of environmental factors that may alter salivary peroxidase include periodontitis, oral hygiene, presence of heavy metal ions, bacteria (e.g., <em>Streptococcus gordonii</em>), anaerobic conditions, temperature, pH, etc.

Explanation:

Peroxidase is an enzyme found in all aerobic cells that act to convert toxic hydrogen peroxide (H2O2) into dioxygen (O2) and water (H2O). This enzyme plays an important non-specific defensive role against proliferating micro-organisms that cause periodontal diseases such as periodontitis, which is a serious inflammatory disease affecting the tissues around the teeth. The most common environmental factors influencing the development of periodontitis include oral hygiene, smoking and age. In this regard, it has recently been shown that there is a positive correlation between salivary peroxidase activity and periodontal health, especially in non-smoker individuals. In consequence, it is expected that smoker individuals are more prone to suffer periodontal diseases by reduction of the salivary peroxidase levels.

7 0
3 years ago
A student studies art and learned that he has several layers including inner and outer cores the student will make a model of th
nlexa [21]

Answer:

C: A solid metal ball in the middle of a pool of liquid.

Explanation:

Since the student is studying the earth, the core area is made up of a solid metal ball in the middle of a pool of a liquid.

  • The core is the inner most part of the earth.
  • It exists in the middle of the earth.
  • The core is divide into two layers; inner core and outer core.
  • The inner core is a solid ball of metal.
  • The outer core is a liquid metal under high temperature and pressure.
4 0
3 years ago
Genetic variation that occurs in sexually-reproducing organisms is mostly related to which of scientific laws?
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Answer:

D. ll and lll only

Explanation:

7 0
3 years ago
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