A the nervous tissue. it’s damaging it.
Answer:
Physical
Explanation:
A physical change can be undone. A chemical change cannot. The frost on the grass will melt, therefore it can be undone.
It wants you to explain why its a chemical change. Signs of chemical changes are formation of gas bubbles, cloudyness, change in color or odor.
Answer:
C
DNA is made up of chromosomes, and chromosomes are made of genes.
The correct answer to the question stated above is the first option: <span>an instinctive behavior was tied to a different stimulus.
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Pavlov's experiment was a typical case of classical conditioning because an instinctive behavior was tied to a different stimulus.
