Population Density
The population density is 3 per square kilometers
Explanation:
Population density is defined as population divided by total land area or water volume, as appropriate. An Arizona desert measures 50 square kilometers. A botanist recorded that there are 150 Saguaro cactus plants within the desert boundaries.
So the population density will be 150 divided by 50 which will be 3 per square kilometers
Hence the population density is 3 per square kilometers
The answer would be A Rachel Carson
Compared to a parallel circuit, a series circuit has which of the following disadvantages? A A series circuit requires more material to build than a parallel circuit. B The entire circuit will not work if the circuit is open at any point. C There is a limit to the number of components that can be added in a series. D The current decreases as it passes through each successive component.
I think the correct answer among the choices presented above is option C. When celery is placed in a glass of pure water the solution inside its cells is hypertonic compared to the water. The water in the celery is drawn out of the cells. Hope this answers the question.
Answer:
The spinal cord starts at the bottom of the brain system and ends on the lower back as it tapers to form a cone called the conus medullaris.
Explanation:
The bold part is what you need to know!
