Explanation:
The city near the epicenter is the one closest to the intersection of the three circles on the map.
Using triangulation method, the epicenter of an earthquake is the point above the focus located on the ground surface.
- During triangulation, the distances of a wave picked up at a seismic station is deduced using the wave velocity and time of arrival.
- A scale is picked and a circle that fits the distance to the radius is drawn.
- Three of such circles are drawn and their point of intersection is the epicenter.
- Where the three point intersects is the epicenter of the earthquake.
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The answer is <span>D. The type of plant that grew near a river.
A clastic rock is composed of fragments of rock and geological detritus and smaller grains of rock. Its composition is determined by source rock composition and crystals. It can be noticed that the type of plant that grew near a river has nothing to do with its composition.</span>
Answer:
Eukaryotic cells typically have circular chromosomes, whereas prokaryotic cells typically have linear chromosomes.
Explanation:
Prokaryotic and Eukaryotic cells are the two kinds of cells that living organisms are composed of. Eukaryotic cells are cells that possess a membrane-bound nucleus while prokaryotic cells do not possess a membrane-bound nucleus. The cell membrane of eukaryotes contain ester-linked phospholipids, whereas that of prokaryotes (bacteria and archeae) have ether-linked or ester-linked phospholipids.
Peptidoglycan is the major constituent of the cell wall of many prokaryotes (bacteria) while peptidoglycan is absent in the cell wall of eukaryotes that possess it. One notable difference between eukaryotic and prokaryotic cells is the SHAPE OF THEIR CHROMOSOME.
- The chromosome in eukaryotic cells is LINEAR while that in prokaryotic cells is CIRCULAR in shape.
Answer:
C. Darwin's explanation of natural selection
Explanation:
<em>According to Darwin, natural selection selects for traits that are more adaptable to an environment and individuals with such traits tend to reproduce and contribute more offspring to successive generations.</em>
As the environment keeps changing, organisms keep trying to adapt to the changes. Those who are able to adapt flourish more within the environment while the weak ones gradually get replaced in the population.
In the case of sickle cell heterozygosity and malaria; individuals that are heterozygous for the sickle cell trait are generally known to be less prone to malaria. Hence, this becomes a selection advantage over individuals with other genotype forms. Heterozygous individuals thus contribute more offspring into the population than other genotype forms according to natural selection law.
The correct answer is C.
