I believe a valley or mountain, but I am not 100 percent sure.
<span>The sea lions have been trained to perform this behavior through positive reinforcement. Positive reinforcement is when a desired behavior is rewarded. In this case the behavior is catching balls on their noses and the reward is fish.</span>
Crop yield<span> is the measurement often used for a cereal, grain or legume and is normally measured in metric tons per hectare (or kilograms per hectare). </span>Crop yield<span>can also refer to the actual seed generation from the plant. For example, a grain of wheat yielding three new grains of wheat would have a </span>crop yield<span> of 1:3. And you left out the graph</span>
Answer:
a
Explanation:
this image shows what each letter changes to.
