Iran and The U.S dont get along, they are enemies.
Iran and the United States have had no formal diplomatic relations since April 1980. Pakistan serves as Iran's protecting power in the United States, while Switzerland serves as the United States' protecting power in Iran. Contacts are carried out through the Iranian Interests Section of the Pakistani Embassy in Washington, D.C., and the US Interests Section of the Swiss Embassy in Tehran. In August 2018, Supreme Leader of Iran Ali Khamenei banned direct talks with the United States.
<em>Answer:</em>
<em>critical periods</em>
<em>Explanation:</em>
<em><u>Critical period,</u></em><em> in developmental biology or psychology, is described as a "maturational stage" in an organism's (animal, human) lifespan during which the organism's nervous system is specifically sensitive to a few environmental stimuli. However, the critical period is the time in which an individual develops language-based cues i.e, around five years to puberty after which it becomes difficult to develop language acquisition and the person is quite unsuccessful in that.</em>
<em><u>As per the question, the correct answer is critical periods. </u></em>
<u>Answer:
</u>
Out of the following, the Python variable name that is valid is first_exam.
<u>Explanation:
</u>
In Python, the set of rules applied for the validity of the variable names requires the variable name to be in a specified format.
The format is characterized by the use of underscore signs ('_') instead of using space or hyphens in between two words that make the variable name.
If the variable name is not in the specified format, the program may most probably exhibit error.
Answer:
Explanation:
The principle is simple: the presence of gravity makes objects fall towards each other or orbit each other, and the observed motion depends on the strength of the gravitational force.