Our best estimate for the age of the universe is based on what we currently know about the universe's history is 13.772 billion years.
<h3>How to calculate the age of the universe?</h3>
There are two methods by which the scientists calculate the age of the universe:
By searching for the oldest stars
By calculating the rate of expansion of the universe and generalizing back to the Big Bang Theory.
Thus, Our best estimate for the age of the universe is 13.772 billion years.
Learn more about the age of the universe
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<span>In the non-industrialized countries, marriage is the significant marker of entry into adulthood and it generally occurs earlier than marriage in the United States. In the United States, holding a full time job is more often the marker of adulthood.</span>
Answer:
Louder music corresponds to more beer consumption. But this doesn't provide evidence that louder music can causes people to drink more beer.
Explanation:
The louder music does not cause people to drink more beer. There is a spurious correlation between drinking beer and Loud music because of the presence of confounding variable Social which is the interaction in the bar. The people at the bar are not able to talk to each other more because of the presence of loud noise or music. So, they are forced to drink beer more rather than talking during their stay at the bar.
Ocean currents generally flow clockwise in the Northern Hemisphere.
Answer:
The correct answer is option 1. a stimulus in the presence of which a response will be reinforced
Explanation:
We call discriminative stimuli to those stimuli that indicate the probability that a given response is reinforced. The presence of a discriminative stimulus makes the appearance of the responses that have been reinforced in their presence more likely.
It's a neutral stimulus that indicates when the response may or may not lead to the desired consequence. That is, the discriminative stimulus indicates whether the enhancer is available.
