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Tutor profile: Cindy B.

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Cindy B.
Recent graduate and entry level conservationist
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Questions

Subject: Microsoft Excel

TutorMe
Question:

What is an effective choice to display time series data in Microsoft Excel? Support your answer with an explanation.

Inactive
Cindy B.
Answer:

A scatter-plot is an effective way to show time series data in excel because time is independent data that goes on the x-axis, and the subsequent dependent data obtained over time is put on the y-axis. A line can be added to show the spikes over time, as well as a generally curve line with an equation (y=mx+b) that can be used to derive dependent data answers using hypothetical or future inquiries.

Subject: Environmental Science

TutorMe
Question:

What are invasive plant species, why are they impactful and how are humans increasing the prevalence of them?

Inactive
Cindy B.
Answer:

Invasive species are non-native plants that have come to inhabit an area and consequently displace native species. These non-native invasive plants can be terrestrial or aquatic and they out-compete native plants to create a mono-culture. This negatively impacts the ecosystems in which they have taken root because they do not cohabitate and take over areas. Animals cannot eat them, the invasive plants can even be poisonous. These plants are also aggressive and outgrow native plants so they die out in that area and a mono-culture, an area with only one type of vegetation, is created which cannot support the animals in the area, effectively killing an ecosystem. The spread of these invasive species are propagated by humans who purchase non-native plants to plant in their gardens but do not monitor the spread. As well as these plants being brought over from European countries during the early days of the United States and unbeknownst to people they started infringing on native ecosystems. Aquatic invasives are often spread by people not cleaning off their boats and barnacles and muscles are spread between water bodies.

Subject: Earth Science

TutorMe
Question:

What is the path of water to an aquifer, and what are the different layers it encounters?

Inactive
Cindy B.
Answer:

Flow of water into an aquifer or water table is called recharge. The main source of water to recharge a water table is from precipitation. Water that does not evaporate permeates the soil layer. Within the soil layer water can be taken up by the roots of vegetation and returned to the atmosphere through transpiration. Water that is not taken up by plants continues percolating down through the permeable soil layers, these permeable layers as a whole are called the unsaturated zone. Then the water reaches the capillary fringe right above the aquifer, this zone is more saturated but not fully and the pressure allows water to move upward from water table due to capillary action. The water table is below the capillary fringe and it is considered a water table/ aquifer because all available pore spaces are filled with water. This area is considered fully saturated and is often bedrock. Overall, the two layers the flow of groundwater can be broken into are the top unsaturated zone and the bottom saturated zone.

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