Classrep2

ability of liquid to flow in narrow spaces without or opposing gravity - ANSWERcapillary movement attraction of water molecules to itself - ANSWERcohesion attraction of water molecules to solid surfaces (soil, glass) - ANSWERadhesion capillary movement in soil is due to? - ANSWERadhesion/cohesion force of gravity on water pulling it downward - ANSWERgravitational force

The porosity of the soil with a bulk density of 1.7 g/cm^3 and a particle density of 2.5 g/cm^3 is _____% a. 17 b. 20 c. 25 d. 32 e. 68 - ANSWERd. 32 A soil sample occupies 30 cm^3 and weighs 50 g when wet. When dry the soil occupies 20 cm^3 and weighs 42 g. What is the gravimetric water content of this soil sample? a. 0.16 b. 0.19 c. 0.24 d. 0.50 e. none of the above - ANSWERb. 0.19 Which value most likely represents the particle density of a soil? a. 1.3 b. 1.6 c. 1.9 ...

A soil with 25% _____ and 25% ______by volume is close to ideal -water; organic matter -Air; mineral matter -Air; water -Mineral matter; organic matter - ANSWERAir; water Soil is a dynamic natural body having properties due to the combined effects of _______ and biota as modified by ________ acting on parent material over time. -climate; topography -Time; Weather -Topography; parent material -Biota; climate -Weather; topography - ANSWERclimate; topography A soil that supports plan...

Define ecosystem - ANSWERThe collective function of organisms and their environment Where were the 2 crops discussed in the video grown? - ANSWERThe papaya was grown in Hawaii, and the banana was grown in Uganda What are the 5 components of an ecosystem? - ANSWER1. Food chains 2. Diversity 3. Competitive exclusion 4. Plant succession 5. Nutrient cycles Define agroecosystem - ANSWEREcosystems modified to produce, food, fiber, and/or shelter Identify the 5 soil forming factors - ...

inspire a shared vision COMMITMENTS - ANSWER- envision the future by imagining exciting and ennobling possibilities - enlist others in a common vision by appealing to shared aspirations why is vision important for leaders? - ANSWERroad map to a better future; mental journey from unknown to known best traits for leaders - ANSWERforward thinking and looking 3 future visioning - ANSWERprobable, possible, preferable probable visioning - ANSWERbased on trends; ex: family business pos...

Soil Atmosphere - ANSWERVaries from atmosphere Contains 2 main gases (CO2/O2) needed for the two most important biological processes (photosynthesis and respiration) Photosynthesis - ANSWERConsumes CO2 and H2O and releases O2 and produces sugars Respiration - ANSWERConsumes O2 and releases CO2, H2O, and energy Oxygen Availability - ANSWERRegulated by... 1. Soil macroporosity 2. Soil water content 3. Oxygen consumption by respiring organisms Movement of Oxygen - ANSWERMass flow - ...

What are the components of a typical ideal soil? - ANSWER-Organic 5% -Air 25% -Water 25% -Mineral 45% There are 6 soil functions. List 4 of them. - ANSWER-Medium for plant growth -Recycling system for nutrients and organic wastes -Modifier of the Atmosphere -Habitat for soil organisms -System for water supply and purification -Engineering medium There are 14 essential macro and micronutrients. Name 10 and their elemental symbols. - ANSWER-Macro nutrients -Micronutrients (N)Nitrog...

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The Fahrenheit scale is based on boiling water at sea level at what temperature? A: 459 degrees B: 212 degrees C: 180 degrees D: 100 degrees - ANSWERB: 212 degrees Zero pounds gauge corresponds on the absolute scale to: A: 144 B: 212 C: 14.7 D: zero - ANSWERC: 14.7 Hidden heat in refrigeration work is referred to as: A: Intensity of heat B: Latent heat C: Heat a thermometer can "sense" D: Cold - ANSWERB: Latent heat Absol...

What are the symptoms of a TXV air conditioning system if it has lost its charge: - ANSWERThe superheat will increase and the low-side pressure will decrease A customer who owns a split air conditioning system complains that his system has been running but his house doesn't seem to be cooling properly. When the service technician arrives on the job, he or she finds that the indoor blower is operating and the air filter is clean. The condenser fan on the outdoor unit is operating, but he or...