Biology, 02.02.2021 21:30 kaylagoof4140
Why do astronomers find it difficult to locate extrasolar planets with
telescopes?
O A. From our distance, they are very close to the stars they orbit.
O
B. Planets wobble due to the gravity of the stars they orbit.
C. Planets only emit invisible wavelengths of light.
Answers: 1
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A60-tooth gear is connected to a 72-tooth gear. if the smaller gear turns 12 times, how many turns does the larger gear make?
Answers: 2
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 12:00, YoungKukie24
The earth's oceans are made up of chlorine, and trace elements. a) carbon, oxygen b) oxygen, silicon c) hydrogen, oxygen d) nitrogen, oxygen
Answers: 2
Why do astronomers find it difficult to locate extrasolar planets with
telescopes?
O A. From...
O A. From...
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