Chemistry, 31.03.2021 21:00 yousifgorgees101
Anna placed a houseplant on a table near a window. After two weeks, the plant was leaning away from the table and towards the window. What characteristic of living things is the plant demonstrating?
1. Reproduction
2. Response to stimuli
3. Ability to obtain and use energy
4. Need for water
Answers: 1
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Noble gases are the most reactive elements on the periodic table. a. true b. false
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Chemistry, 22.06.2019 13:30, kassandrarosario1115
How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123
Answers: 1
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