Question 1
some sources of energy are not replenishable, but they are sustainable.
...
Question 1
some sources of energy are not replenishable, but they are sustainable.
true
false
1 points
question 2
wind power was an important source that provided power to manufacture iron during the industrial revolution.
true
false
1 points
question 3
which of the following resources uses the earth’s gravitational force?
solar
wind
biomass
hydropower
1 points
question 4
nonrenewable energy cannot keep up with population growth.
true
false
1 points
question 5
which of the following statements is true of nonrenewable technologies?
they have existing infrastructure.
they can be sustainable if managed correctly.
they refer to sustainable resources.
they do not need infrastructure to work.
1 points
question 6
photovoltaics is a type of hydropower technology.
true
false
1 points
question 7
what does electrolysis refer to?
the process where wind turns a turbine to power a generator
the process of creating electromagnetic fields
the process where electricity and water produce hydrogen and oxygen
the process of using energy from the sun
1 points
question 8
which of the following countries is 100 percent powered by the katse dam?
south africa
lesotho
mozambique
zimbabwe
1 points
question 9
which type of renewable energy uses heat stored below the earth’s surface?
geothermal
wind
water
tidal
1 points
question 10
which of the following best describes what investment is?
a required payment to owners of a company
an amount of money to pay for larger operations
a new company with several shareholders
a renewable technology in a developing country
1 points
question 11
a sustainable resource whereas a replenishable resource
is maintained at acceptable levels; reproduces
is infinite; reproduces
is maintained at acceptable levels; is infinite
is infinite; is not reproducible
1 points
question 12
mozambique’s cahora bassa dam exports electricity to south africa and zimbabwe.
true
false
1 points
question 13
before 2004, bonaire relied on which of the following energy sources for power?
petroleum
coal
natural gas
diesel fuel
1 points
question 14
hydrogen is the most plentiful element on earth.
true
false
1 points
question 15
which of the following resources is replenishable?
sunlight
wind
water
coal
Answers: 1
Biology, 22.06.2019 11:30
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
Answers: 2
Biology, 22.06.2019 13:40
1. -define adaptation2 explain darwin's theories of descent with modification and natural selection in detail3. -explain how each of these provides evidence for evolution: a. -fossil record, including superposition and transitional fossilsb-anatomy, including homologous structuresc-biological molecules, including dna and proteins4. -explain the difference between convergent and divergent evolution.5. -define and give three examples of artificial selection6. -define and give one example of coevolution.7. -explain biodiversity and how it benefits humans.8. -explain a type of population lest affected by environmental change.
Answers: 3
Biology, 22.06.2019 16:00
In an hydrogen ion pump the energy is used to join small molecules together to make larger ones which factor most likely has the greatest effect on the number of molecules mitochondria can produce
Answers: 2
Biology, 22.06.2019 17:00
How many autosomes are in this human karyotype? how many sex chromosomes?
Answers: 2
Spanish, 28.06.2019 10:30
Mathematics, 28.06.2019 10:30
Mathematics, 28.06.2019 10:30
History, 28.06.2019 10:30
Mathematics, 28.06.2019 10:30
Mathematics, 28.06.2019 10:30
History, 28.06.2019 10:30
Biology, 28.06.2019 10:30
Biology, 28.06.2019 10:30
Mathematics, 28.06.2019 10:30
Arts, 28.06.2019 10:30