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.
The process by which the oceanic crust<span> is pulled </span>under<span> the </span>continental crust<span> is called </span>subduction<span> and the zone at which this occurs at the plate boundaries is called the </span>subduction<span> zone.</span>
Answer;
I think it's d,possible spread of tropical diseases.
Answer: I think its A.Harm
The basic structure of bones is bone matrix, which makes up the underlying rigid framework of bones, composed of both compact bone and spongy bone. The bone matrix consists of tough protein fibers, mainly collagen, that become hard and rigid due to mineralization with calcium crystals.