If groundwater dissolves the limestone and other minerals in the ground, the surface on top may eventually fall into it, causing a sinkhole.<em> (B)</em>
Answer:
The best answer to the question: The change in energy consumption in the United States during the past 100 years is due to: a growth spurt in population, which means an increased need for energetic production and consumption, and also, the appearance of technological advances that require such energetic consumption.
Explanation:
According to statistical data, in the past 100 years in the U.S, the production and consumption of energy, in the form of electrical power, oil, coal and natural gas, has increased significantly compared to a period prior to those 100 years because of the increase in population, the expansion of that population to greater land areas, and most importantly, due to the appearance of technologies that have required such energy. Cars, planes, devices that require power, transportation of different kinds, have grown along with population growth and have marked the difference in the way, and the amount, that energy is consumed in the U.S.
Answer:
The correct answer is : low lying.
Explanation:
Placenta is generally characterized on the basis of the degree of coverage to the internal os that are as given below:
Total placenta previa, in this the the placenta covers the cervical os where as the partial placenta previa the internal os is covered partially by the placenta.
Marginal placenta is present on the margin or edge of cervical os and in low lying it is present near but not reach it.
Thus, the correct answer is : low lying
C. Skates that have three wheels with a pick
Answer: spinal is not a major type
Explanation:
the major types are
- nervous
- muscle
- epithelial
- connective