Answer:
Groundwater is all the water that has penetrated the earth's surface and is found in one of two soil layers. The one nearest the surface is the <u>"zone of aeration"</u>, where gaps between soil are filled with both air and water. Below this layer is the "zone of saturation", where the gaps are filled with water.
Explanation:
Groundwater is the water found underground in the cracks and spaces in soil, sand and rock. It is stored in and moves slowly through geologic formations of soil, sand and rocks called aquifers.
<u><em>Hope this helps!</em></u>
What graph? show a picture please.
<span>Examples of Evolution: Evolution
is the change over time. These changes may involve all aspects of life
including mutation, natural selection, genetic drift, thought and
technology.
Examples of animals evolving: </span>
<span>The lizard with extra sticky feet. ... The shrimp that lost its eyes. ... The owls that are changing color. ... The fish that's migrating earlier. ... The bedbugs with super-strength. ... <span>The mouse that's immune to poison. ...
</span></span><span><span>
</span></span><span><span>People do not evolve.
</span></span>
"They result in high non-response bias" is a disadvantage of online surveys.
<u>Option: A</u>
<u>Explanation:</u>
To several market analysts online surveys have become the default tool. It is fairly so. The ease of accessibility and the use of online surveys also in turn creates issues in itself. The advantages and disadvantages of online surveys are listed below:
<u>Advantages:</u>
- Accessible to most target audiences.
- Generally no cost-based geographic restrictions.
- Motivate flexible framework with countless question forms and formats.
<u>Disadvantages:</u>
- Poorly chosen networks of dissemination can contribute to skewed data, low success rates and a host of other possible problems.
- Difficulty targeting other groups of respondents, like those without internet access or samples of non-customers in niche sectors.
