Wegener attempted to explain the movement of continents but could not identify a source of force strong enough. what did scientists eventually identify as the primary energy source that drives the movement of earth's plates?
a)convection
b)friction
c)gravity
d)volcanoes
Answers: 1
Biology, 22.06.2019 07:30
In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?
Answers: 3
Biology, 22.06.2019 11:30
Graded assignment lab report answer the questions below. which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.
Answers: 1
Biology, 22.06.2019 11:30
Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
Answers: 1
Biology, 22.06.2019 15:30
Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?
Answers: 2
Wegener attempted to explain the movement of continents but could not identify a source of force str...
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