Chemistry, 05.04.2020 21:26 caseypearson377
3. Humans and microbes have "complex relationships.
What information in the article best supports this statement?
A. Scientists call bacteria that are harmless to humans "commensal."
B. Antibacterial hand sanitizers can wipe out all bacteria on a patch of skin.
C. Microbes are the oldest form of life on Earth, having first appeared over 3.5 billion years ago.
D. Some microbes benefit humans, while other microbes harm humans.
Answers: 2
Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Chemistry, 23.06.2019 14:00
Which statement describes the arrhenius interpretation of acids and bases?
Answers: 1
Chemistry, 23.06.2019 21:30
Which statement best describes how waves impact beaches? question options: a. beaches change over time as waves move further up the shore. b. beaches change little over time as waves follow the same patterns year after year. c. beaches change little over time as wind patterns stay the same. d. beaches are always changing due to factors such as waves adding and eroding sand.
Answers: 1
3. Humans and microbes have "complex relationships.
What information in the article best suppor...
What information in the article best suppor...
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