We now know of over 100 jovian exoplanets, but no terrestrial planets around other stars similar to the Sun
Indicate whether the statement is true or false
FALSE
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In the monazite sands region of Kerala, India, adults, children, and unborn children receive relatively high doses of radioactivity. The cancer rate is no different there from the rest of Kerala, where people receive much lower doses
(92) How could this be possible? Give your reasoning in your answer.
Consider a solid sphere and a hollow sphere of the same radius, both made of material with the same density. They are both rotating on their axes with the same angular speed. Which one has the higher angular momentum?
1.the solid sphere 2.the hollow sphere 3.They both have the same angular momentum. 4.It is impossible to determine.
Approximately how many other planetary systems have been discovered to date?
A) tens B) hundreds C) thousands D) tens of thousands E) millions
O2 is an example of
A) a molecule only B) a compound only C) both a molecule and a compound D) a collection of isolated atoms