Answer:
Our solar system formed about 4.5 billion years ago from a dense cloud of interstellar gas and dust. The cloud collapsed, possibly due to the shockwave of a nearby exploding star, called a supernova. When this dust cloud collapsed, it formed a solar nebula—a spinning, swirling disk of material.
Explanation:
In this example, john's whistling is serving as a discriminative stimulus.
This procedure, studied by Ivan Pavlov, shows a stimulus ( in this case the action of John's whistling) and a response ( the cattle run to the food trough).
Pavlov studied it with dogs. He realised that when a trainer fed them, dogs salivated. So, he presented the dogs with a "stimulus" ( the sound of a metronome) and when he gave the dogs food. After a few repetitions, when the dog listened to the stimulus, it salivated.
First of all, you need to know what the term skin flora refers to. Skin flora refers to various bacteria and microbes which live on our bodies or inside of them. They are found all over our bodies, however, there are particular areas where their concentration is higher. For example, this is the case with hands, perineal area, groin, armpits, trunk, and arms.
Answer:
I would say C Predatory pricing. They can see customer 1 hasn't much money but will buy the boots at $10. Customer 2 has obviously more money and is willing to pay $30 .
