Biology, 23.02.2020 06:17 ashtonrieper2721
The concept of continental drift, continents drifting over the ocean floors, was proposed by Alfred Wegner in 1915. This concept was replaced by the theory of plate tectonics in the 1960s. Changes from the continental drift concept to the plate tectonics theory required which of the following?
strong earthquakes occurring along fault zones
data and ideas being shared among scientists
a scientific law being passed by Congress
teachers beginning to teach the newer theory
Answers: 3
Biology, 21.06.2019 14:00
The population of bacteria in a petri dish doubles every 40 seconds. the population of the bacteria is initially 400 organisms. what unit is most appropriate for the time at which the number of bacteria is 300? hour bacteria per hour second bacteria per second
Answers: 1
Biology, 21.06.2019 19:00
Study this image. which statements best describe the rock shown? check all that apply. the grains of this rock are jagged. this rock has several coarse grains. the grains in this rock are very large. this rock has a non-banded pattern. the color of this rock is determined by its texture.
Answers: 2
Biology, 22.06.2019 05:30
One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing
Answers: 3
Biology, 22.06.2019 19:00
Why does controlling transcription affect prokaryotic gene expression?
Answers: 3
The concept of continental drift, continents drifting over the ocean floors, was proposed by Alfred...
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