Chemistry, 22.03.2020 23:14 Flameking1223
Soils vary throughout the world. Climate, elevation, plant growth; these are just some factors that influence weathering and soil formation. The tundra and the desert are alike in some ways; different in others. Both the tundra and the dessert have little available water for plant growth.
Imagine you are collecting soil samples from a desert location and the tundra. What might these soil samples have in common?
A) a very low amount of humus
B) lots of decomposing tree roots
C) very small, fine-textured soil particles
D) a large amount of sand and very little silt or clay
Answers: 1
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Effect of rotenone and antimycin a on electron transfer rotenone, a toxic natural product from plants, strongly inhibits nadh dehydrogenase of insect and fish mitochondria. antimycin a, a toxic antibiotic, strongly inhibits the oxidation of ubiquinol. (a) explain why rotenone ingestion is lethal to some insect and fish species. (b) explain why antimycin a is a poison. (c) given that rotenone and antimycin a are equally effective in blocking their respective sites in the electron-transfer chain, which would be a more potent poison? explain.
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Chemistry, 22.06.2019 12:20
The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397
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