Biology, 28.07.2019 12:00 andrejr0330jr
What could be considered evidence for the theory that the formation of the grand canyon took millions of years? a) the earthquake that created the canyon took place about a million years ago. b) the grand canyon was wider at the base, than it is at present, a few years ago. c) the rocks that are part of the canyon walls originated millions of years apart. d) the colorado river has changed its course many times in the last million years.
Answers: 1
Biology, 21.06.2019 23:10
When elements that form a mineral dissolve in hot water, they form a mixture called a(n) a)geode b)vein c)evaporation d)crystallization e)magma f)lava g)solution h)gem
Answers: 2
Biology, 22.06.2019 06:30
Albinism is an inherited genetic disorder. explain what it is meant by inherited genetic disorder
Answers: 1
Biology, 22.06.2019 11:00
Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2
Answers: 2
Biology, 22.06.2019 12:10
What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.
Answers: 2
What could be considered evidence for the theory that the formation of the grand canyon took million...
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