Answer:
true
Explanation:
the sun warms the atmosphere and warms the air which drives our weather
Operant conditioning, sometimes called <em>instrumental learning</em>, was first extensively studied by Edward L. Thorndike, who observed the behavior of cats trying to escape from home-made puzzle boxes.
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Answer:
light is an example of a wave that is not mechanical .
it is different as it does not need material medium for its propagation
Answer:
the current in a parallel circuit is found by idk
Explanation:
The correct option is D.
The model developed by Ptolemy has a lot of inconsistency and during the middle age additional explanation was offered for the claims made by the model. The model was very complicated because it was based on erroneous assumptions.
Copernicus model was simpler and some of his claims were correct.<span />
