Chemistry, 09.12.2019 23:31 Wintersavannah
If we start with 1.000 g of strontium-90, 0.805 g will remain after 9.00 yr. this means that the of strontium-90 is yr. a. 28.8b. 30.9c. 35.4d. 32.2
Answers: 3
Chemistry, 21.06.2019 17:00
This line graph compares the growth of plants that were kept in the sun for different amounts of time.a) on day 7, the plants kept in the sun for 3 hours were how tall? b) on day 7, the plants kept in the sun for 6 hours were how tall? c) on day 10, the plants kept in the sun for 9 hours were how tall? d) on day 11, the plant that was grown with 1 hour of sunlight was how tall? e) based on the graph, the plant grows best in what amount of sunlight?
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Chemistry, 22.06.2019 04:00
Gymnast always perform on padded mats. how does the mats protect the gymnast
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Chemistry, 22.06.2019 15:30
The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll
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Chemistry, 22.06.2019 16:00
Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
If we start with 1.000 g of strontium-90, 0.805 g will remain after 9.00 yr. this means that the of...
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