Biology, 21.01.2021 22:10 flakko1899
The Dust Bowl was the result of a series of dry years (drought) in the 1930s 1 point
where millions of pounds of topsoil were desiccated and blown from the
Great Plains and deposited hundreds of miles away. What most likely
contributed to the loss of fertile soil during the Dust Bowl and the years
that immediately followed that event? *
Contour plowing
Absence of native grasses
Perennial crop ground cover
No till agricultural practices
Answers: 3
Biology, 21.06.2019 22:00
Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.
Answers: 1
Biology, 22.06.2019 09:10
Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone
Answers: 1
Biology, 22.06.2019 10:30
Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.
Answers: 3
Biology, 22.06.2019 13:10
Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.
Answers: 1
The Dust Bowl was the result of a series of dry years (drought) in the 1930s 1 point
where millions...
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