Biology, 18.02.2020 04:31 southerntouch103
On May 18, 1980, Mount St. Helens in Washington State experienced a huge volcanic eruption after a magnitude 5.1 earthquake. During the eruption, hot ash and pumice poured down the west, south, and east sides of the mountain, melting the snow and ice at the top of the volcano and creating volcanic mudflows. Which type of change was seen in the ecosystem around Mount St. Helens after it erupted?a. primary succession b. secondary succession c. a climax community d. species extinction
Answers: 3
Biology, 21.06.2019 19:30, Thania3902
What makes the results of a scientific experiment accurate? a) having multiple trials b) lacking any supporting data c) working in a lab d) using a hypothesis that is always true
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Biology, 22.06.2019 09:00, zhellyyyyy
Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous
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Biology, 22.06.2019 11:00, bendavidhizar
What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?
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On May 18, 1980, Mount St. Helens in Washington State experienced a huge volcanic eruption after a m...
Mathematics, 22.04.2020 04:47