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Biology, 22.06.2019 01:30, 666isabella666
Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas
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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
A rock displaces 16ml of water. The density of the rock is 3.0g/cm^3. What is the mass of the rock?...
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