B. Thick Atmosphere
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<h2>C. A predatory fish is introduced into a lake, resulting in a dramatic decrease in the populations of smaller fish.</h2>
Answer:
Analogous structures
Explanation:
These structures are similar but not derived from the common ancestor like homologous structures. Analogous structures are formed as a result of convergent evolution-type of evolution in which organisms develop on similar way but independently. An example of analogous structures are wings. Birds, insects and bats all have wings, with the same purpose (flight) but they evolved in their own way.
Measure the amount of chemical used, measure the mass before and after
Answer:
to get the heat of the planet
Explanation: