Chemical reactions a. occur only in living organisms c. only occur outside living organisms b. create and destroy atoms d. produce new substances 2. everyday equations describe a. thermonuclear reactions c. chemical reactions b. everyday processes d. biological chemistry 3. what does the symbol in a chemical equation mean
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Biology, 22.06.2019 06:30, dtilton2003
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.
Answers: 3
Biology, 22.06.2019 09:00, ittmanny6138
Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.
Answers: 1
Biology, 22.06.2019 12:30, kaybaby23
50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.
Answers: 2
Biology, 22.06.2019 13:30, silveryflight
Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?
Answers: 1
Chemical reactions a. occur only in living organisms c. only occur outside living organisms b. crea...
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