Answer:
<h2>1. unconditioned stimulus, </h2><h2>2. loud noise</h2>
Explanation:
Such type of stimulus that is trigger by the neutral in nature is called a conditioned stimulus such as the sound of the bell and some other. Such type of stimulus that is biologically potent is called an unconditional stimulus such as the taste of food and some other things. When the biologically effective stimulus is used with neutral stimulus then the classical conditions are formed that are used in the learning process.
Abnormal cellular growth is caused by DNA mutations that divide in a much higher rate than normal
The answer is binary fission
Explanation:
NUTRITION AND AGE FACTOR!
Google said hydrogen so I'm guessing B. gases
