SCIENTIFIC INQUIRY Acid precipitation has an abnormallyhigh concentration of hydrogen ions (H+). One effect ofacid precipitation is to deplete the soil of nutrients suchas calcium (Ca2+), potassium (K+), and magnesium (Mg2+).Suggest a hypothesis to explain how acid precipitationwashes these nutrients from the soil. How might you testyour hypothesis?

SCIENTIFIC INQUIRY Acid precipitation has an abnormallyhigh concentration of hydrogen ions (H+). One effect ofacid precipitation is to deplete the soil of nutrients suchas calcium (Ca2+), potassium (K+), and magnesium (Mg2+).Suggest a hypothesis to explain how acid precipitationwashes these nutrients from the soil. How might you testyour hypothesis?

Biology: The Unity and Diversity of Life (MindTap Course List)

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter46: Ecosystems

Section: Chapter Questions

Problem 12SQ

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Which soil mineral is most likely to be leached away during heavy rain? O hydrogen ion (H+) O Potassium ion (K+) O chloride ion (Cl-) O Calcium ion (Ca2+) O Sodium ion (Na+)
Give answer to all parts? 1. Why might a soil bacteria (Azotobacter) have the ability to fluoresce? How does fluorescence differ from being pigmented. 2. What are the means by which soil can be depleted of useable forms of nitrogen?
Figure 1 shows the appirtu thot e studeote to estetall mals (inverette -5- (d) living in the soil. Funet Sod or lesttter Sleve Aleshat Figure 1. Apparatus for extracting small animals Outline EACH of the following functions in the apparatus Light bulb Alcohol Fungi and bacteria are found in forest soils. Explain the role of these crganisms in the cycling of nutrients in the forest. (c)
SCIENTIFIC INQUIRY • INTERPRET THE DATA A Minnesotagardener notes that the plants immediately bordering a walkwayare stunted compared with those farther away. Suspectingthat the soil near the walkway may be contaminated from saltadded to the walkway in winter, the gardener tests the soil. Thecomposition of the soil near the walkway is identical to thatfarther away except that it contains an additional 50 mM NaCl.Assuming that the NaCl is completely ionized, calculate howmuch it will lower the solute potential of the soil at 20°C usingthe solute potential equation:ΨS = -iCRTwhere i is the ionization constant (2 for NaCl), C is themolar concentration (in mol/L), R is the pressure constant[R = 0.00831 (L · MPa)/(mol · K)], and T is the temperature inKelvin (273 + °C).How would this change in the solute potential of the soilaffect the water potential of the soil? In what way would thechange in the water potential of the soil affect the movementof water in or out of the roots?
Why Medium (Soil, water….etc) + nutrients (Na,K,N….etc) is very important? pls give very short answer as a points if possible
Soils & Erosion 1.Describe the relationship between soil particle size and important soil characteristics (i.e., drainage andaeration). 2.What soil horizons contain the most nutrients? Why? 3.Describe the various kinds of living organisms that make up the soil community & how they interacttogether. Briefly indicate the role(s) ofeach.
Treatment Control Soil warming Soil warming x Year * 1.0 Year * 0.5 Active Layer Seasonal N mineralization (g N/ m²/ year)
Why is it that saltwater cannot be used to irrigate plants?
Why fine textured soil hold more water as compared to coarse textured soils?
It is common for bogs to have a pH of 3, why does this make them nutrient poor? 1. Low pH reduces the solubility of many nutrients. 2. Low pH increases nutrient binding to organic matter. 3. Low pH prevents the growth of the microorganisms responsible for the breakdown of organic matter. 4. Low pH reduces cation exchange.
Test Content Question 1 Which factors affect soil quality? A all of these B history of the soil © presence of living organisms and topography chemical composition Question 2 What is the outermost covering of a fruit? A mesocarp B) endocarp (c) pericarp D exocarp Question 3 What occurs when stomata open? A Water vapor is lost to the external environment, increasing the rate of transpiration. B Water vapor is lost to the external environment, decreasing the rate of transpiration. C Water vapor enters the spaces in the mesophyll, increasing the rate of transpiration. Water vapor enters the spaces in the mesophyll, decreasing the rate of transpiration.
Observation: I want to know what effect salt has on the growth of grass. So I measure out 3 equal-sized squares of grass out the back of the Green Building. The first square of lawn I water with 5 liters of pure water from a watering can every day. The second square of lawn I water with 5 liters of pure water with 2 grams of salt mixed in, every day. The third square of lawn I water with 5 liters of pure water with 4 grams of salt mixed in, every day. I measure the height of the grass after 14 days and note the following observations. The first square is green and 15 cm high. The second square is greeny-yellow and 6 cm high. The third square is yellowy-brown and looks dead and is only 2cm high. What could we infer about the effect salt has on the growth of grass?