The California coast was made by water erosion and ships from the gold rush.
Answer:
The unconditional response is to strengthen the immune system as a result of ingesting the drug placed in the water.
Explanation:
Unconditional response is the name given to a response, given by the organism, which occurs as an automatic result of an unconditioned stimulus. An unconditioned stimulus, in turn, which is a stimulus that causes responses in the body.
In this case, we can see that the unconditioned stimulus is water sweetened with a drug that strengthens the mice's immune system. In this case, if the rats consume this water, their immune system is automatically strengthened, and this strengthening is the unconditional response of the experiment.
D erosion will increase carring more sand away than before
I'm not sure but it can be a force that pulls objects with mass towards it.