Chemistry, 29.08.2021 21:30 Haddixhouse5273
Question 8 (0.4 points)
An ecological pyramid is sometimes used to show both the flow of matter and energy in an ecosystem. The pyramid narrows as matter and energy flow from the bottom to the top. Draw a conclusion about what this pyramid tells you about the energy in this ecosystem.
Question 8 options:
Energy stays the same. Only the number of living things change.
Energy decreases from the top to the bottom as organisms are larger in size.
Energy increases from bottom to top because the organisms get larger in size.
Energy decreases from bottom to top because some is used at each level for life processes
Question 9 (0.4 points)
Lemon Juice
Tums (antacid)
Water
Put all of the above household items in order from lowest to highest pH.
Question 9 options:
Lemon juice, water, Tums
Water, Tums, Lemon Juice
Water, Lemon Juice, Tums
Tums, water, lemon juice
Question 10 (0.4 points)
Review the desert food web above. What organism, absent in the web, would be MOST responsible for recycling organic matter back through the food web?
Question 10 options:
cougars
bacteria
sage brush
cactus plants
Answers: 2
Chemistry, 22.06.2019 16:30
For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)β4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.
Answers: 2
Chemistry, 23.06.2019 01:30
List and describe the neurological effects of the vocs and other air pollutants,as described by dr.theo colborn
Answers: 2
Question 8 (0.4 points)
An ecological pyramid is sometimes used to show both the flow of matter an...
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