Answers: 2
Biology, 22.06.2019 06:30
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, 23.06.2019 04:00
Living things that cannot make there own food are called what
Answers: 2
Biology, 23.06.2019 05:10
Question 14 (5 points)all organisms on earth require energy to live. which statement best describes how ferns,people, and flatworms obtain energy? a.ferns produce atp during photosynthesis, while flatworms and people produce atpduring digestion.b.ferns and flatworms absorb food from their surroundings, while people must digest foodfound in their surroundings.c.producers such as ferns do not require a source of energy, while flatworms and humansmust consume food for energy.d.ferns produce glucose that can be broken down by cellular respiration, while flatwormsand people digest foods containing glucose for use in cellular respiration.
Answers: 2
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