Physics, 20.05.2021 21:10 thomasalmo2014
When beavers inhabit an area, they cut down trees and construct beaver dams, which slow the flow of rivers or streams. Which of the following variables is NOT going to change as a result of the long-term presence of beavers in an area?
F. the number of tree species in the area
G. the types of fish present in the river or stream
H. the amount of rainfall received in summer months
I. the amount of sunlight that reaches the forest floor
Answers: 2
Physics, 22.06.2019 12:30
Write a full page that sumerizes thermodynamics it’s from the website visionlearnig
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Physics, 23.06.2019 00:00
If water vapor with the mass of 35.0 grams is cooled and condensed into water in a closed system such as a closed glass jar, what is the mass of the water after the water vapor completely condenses? a) 34.5 grams b) 35.0 grams c) 35.5 grams d) the mass cannot be determined without knowing the volume
Answers: 2
Physics, 23.06.2019 14:50
When oxygen reacts with hydrogen, it has the capacity to release 29 kilojoules of energy. inside a fuel cell, oxygen reacts with hydrogen to produce 23 kilojoules of useful energy. the rest of the energy is lost as heat. what's the efficiency percentage of the fuel cell?
Answers: 1
When beavers inhabit an area, they cut down trees and construct beaver dams, which slow the flow of...
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