The answer is d to the question!!!
Answer:
A rainbow is caused by sunlight and atmospheric conditions. light enters a water droplet, slowing down and bending as it goes from air to denser water. The light reflects off the inside of the droplet, seperating into its component wavelengths-or colors when light exits the droplet, it makes a rainbow
Answer:
a series of pools built like steps to enable fish to bypass a dam or waterfall.
Explanation:
A fish ladder, also known as a fishway, fish pass or fish steps, is a structure on or around artificial and natural barriers to facilitate diadromous fishes' natural migration.
The conditioned reinforcers known as tokens can be accumulated and traded for different reinforcers.
Any two suitable examples, such as a compliment, an invitation to dinner, the presence of a loved one, or a warm greeting are all suitable examples. These are all conditioned reinforcers since they are connected to stronger reinforcers. They cannot be accumulated and swapped for different backup reinforcers, hence they cannot be considered tokens.
What is backup reinforcer?
Backup reinforce is a reinforcer that serves as the foundation for a conditioned reinforcer. It is a reinforcer in a token system for which tokens can be traded in order to keep their reinforcing properties. For instance, poker chips can be converted into cash at the conclusion of a game of poker. The money serves as a secondary reinforcer in this situation. It is allowed to use any two relevant examples.
Learn more about the Behaviour analysis with the help of the given link:
brainly.com/question/13125654
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