Answer:
The correct answer is option C. "Parietoacanthial (Waters) projection and both laterals".
Explanation:
While most of the nose is comprised of cartilage, there are nasal bones that could be affected result of an impact or an accident. In order to see if nasal bones are damaged, a radiographic examination comprised of parietoacanthial (Waters) projection and both laterals is needed. Images of both laterals are needed to cover both sides of the nose, while a parietoacanthial examination using the method of Waters is needed to see the front part of the nose.
Answer:
<em><u>Pseudomonas</u></em><em> </em><em><u>aeruginosa</u></em>
Explanation:
<em><u>Pseudomonas</u></em><em> </em><em><u>aeruginosa </u></em>is a rod like shaped bacterium, a gram negative infection invading the host cells of its host(e.g human). It leave it host restless by weakening the host defense mechanisms. This pathological condition is caused by an infection called nosocomial infections. <em><u>Pseudomonas</u></em><em> </em><em><u>aeruginosa </u></em> possess an advanced resistance mechanism hence making its treatment with antibiotics difficult.
Answer:
Directional selection
Explanation:
Natural selection is of three types :
1. Stabilizing selection: in this type of selection, genetic diversity decreases as the population stabilizes on a particular trait value. Here the mean phenotype is favored.
2. Disruptive selection is a type of selection in which extreme values for a trait are favored over the mean values thus increasing the genetic variance by favoring two extreme phenotypes.
3. Directional selection is a type of selection in which a single phenotype is favored which is of the extreme phenotype over the mean phenotype.
In the given case it can be observed that the selection is favoring long necks in case of giraffes and hence, this is an example of directional selection.
8
1. common green algal ancestor
2. embryo protection
3. apical growth
4. vascular tissue
5. megaphylis
6. seeds
7. flowers/ double fertilization/ endosperm/ fruit <span />
Answer:
The atmosphere: is mostly made of nitrogen, protects the Earth from harmful radiation, and contains water vapor.
Explanation:
The atmosphere can be defined as the gassy wrapping covering a planet, in this case, the Earth.
The Earth´s atmosphere is composed of water vapor, <u>N₂ (78.08%</u>), O₂ (20.95%), Ar (0.93%), CO₂ (~0.03%), and Oz (0.01%). There are also other gases in reduced concentrations. <u>Water vapor </u>might reach 4% of the atmosphere near the Earth's surface. Water vapor and ozone absorb infrared radiation and are important in defining the terrestrial clime and keeping the environmental conditions needed for life. <u>They protect the Earth from harmful radiation. </u>
The atmosphere is composed of different layers: troposphere, stratosphere, mesosphere, thermosphere, and exosphere. The troposphere is the most inferior layer, in contact with the Earth´s surface, composing almost 90% of the atmospheric mass.