CONGRATS!! i have some too
Answer:
Option A, The universe started at a central point, is the right answer.
Explanation:
Edwin Powell Hubble was an astronomer from America. He has played a very significant role in setting up the fields of extragalactic astronomy and observational cosmology. He has been credited with the founding of the Big Bang Theory. He made an observation about the Universe and explained that the Universe is continuously expanding. His finding supported that the Universe had a central starting point, almost all galaxies are moving away from us and that galaxies that are far from us move away faster.
Answer:
A proximity sensor is a non-contact sensor that detects the presence of an object (often referred to as the “target”) when the target enters the sensor's field.
hope this helped!!
Answer:
I'm sorry but I speak Spanish, forgive me, l hope someone else helps you
Answer:
1. Reinforcement is when a reward is given or a bad stimulus is removed to make a specific behavior increase in frequency. A punishment is the addition of an unwanted event or the removal of a wanted stimulus in order to decrease a specific behavior.
2. Positive reinforcement is when a reward is added to increase a behavior, like giving a reward for returning a lost wallet. Negative reinforcement is when you remove an unwanted stimulus, like not nagging a child when they do their chores. Positive punishment is when you add an unwanted stimulus to stop the behavior, like spanking a child when they're bad. A negative punishment is when you remove a wanted stimulus, like taking away video games when the student hasn't done their homework..
Explanation: