Answer:
A. The smooth, clear rock layers
Explanation:
<span>The tone, before conditioned to salivation, is simply a stimuli that the dog is responding to or ignoring in it's environment. Since it has no taught reactions to this sound, it is simply part of the environment the dog is in.</span>
Sonar testing has caused whales to die in mass amounts.
Hello there ^ _ ^
The loss of color(coral bleaching in coral reef organisms can be a result of <span>loss of zooxanthellae.
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