Student A:Context: The 26th Amendment (passed and ratified in 1971) set the voting age for federal and state elections at 18 years, but does not prevent states from establishing a lower voting age. Except for the express limitations provided for in Amendments XIV, XV, XIX and XXVI, voter qualifications for House and Senate elections are largely delegated to the States under Article I, Section 2 and Amendment XVII of the United States Constitution, which respectively state that "The House of Representatives shall be composed of Members chosen every second Year by the People of the several States, and the Electors in each State shall have the Qualifications requisite for Electors of the most numerous Branch of the State Legislature." and "The Senate of the United States shall be composed of two Senators from each State, elected by the people thereof, for six years; and each Senator shall have one vote. The electors in each State shall have the qualifications requisite for electors of the most numerous branch of the State legislatures."

Question: when did the age to vote changed to 18?
Student B:OK... To answer this question, we should know that: The 26th Amendment (passed and ratified in 1971) set the voting age for federal and state elections at 18 years, but does not prevent states from establishing a lower voting age.
1971.

Problem:A sister chromatid refers to the identical copies (chromatids) formed by the replication of a chromosome, with both copies joined together by a common centromere. In other words, a sister chromatid may also be said to be' one-half' of the duplicated chromosome. A full set of sister chromatids is created during the synthesis (S) phase of interphase, when all the chromosomes in a cell are replicated. The two sister chromatids are separated from each other into two different cells during mitosis or during the second division of meiosis.

What is the name for the site where sister chromatids are joined?
Solution:OK... To answer the question, consider the following: A sister chromatid refers to the identical copies (chromatids) formed by the replication of a chromosome, with both copies joined together by a common centromere.
a common centromere.

Student A:Passage: The 1990 World Series was the 87th edition of Major League Baseball's championship series and the conclusion of the 1990 Major League Baseball season. The Series featured the defending champions and heavily favored American League (AL) champion Oakland Athletics against the National League (NL) champion Cincinnati Reds. The Reds defeated the Athletics in a four-game sweep. It was the fifth 4-game sweep by the National League and second by the Reds after they did it in 1976, as well as the second consecutive World Series to end in a sweep, after the A's themselves did it to the San Francisco Giants in 1989. It is remembered for Billy Hatcher's seven consecutive hits. The sweep extended the Reds' World Series winning streak to nine games, dating back to 1975. This also was the second World Series meeting between the two clubs (Oakland won four games to three in 1972). As of 2017, this remains both teams' most recent appearance in the World Series.

Question: Based on this passage, who did the reds beat in the 1990 world series?
Student B:OK... The relevant information is: The Reds defeated the Athletics in a four-game sweep.
the Athletics.

Problem:The Ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation. It contains high concentrations of ozone (O) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere. The ozone layer contains less than 10 parts per million of ozone, while the average ozone concentration in Earth's atmosphere as a whole is about 0.3 parts per million. The ozone layer is mainly found in the lower portion of the stratosphere, from approximately 20 to 30 kilometers (12 to 19 mi) above Earth, although its thickness varies seasonally and geographically.

Where is the ozone layer located in earth's atmosphere?
Solution:OK... The relevant sentence in the passage is: The ozone layer is mainly found in the lower portion of the stratosphere, from approximately 20 to 30 kilometers (12 to 19 mi) above Earth, although its thickness varies seasonally and geographically.
the lower portion of the stratosphere , from approximately 20 to 30 kilometers ( 12 to 19 mi ) above Earth.

Student A:In probability theory and statistics, the coefficient of variation (CV), also known as relative standard deviation (RSD), is a standardized measure of dispersion of a probability distribution or frequency distribution. It is often expressed as a percentage, and is defined as the ratio of the standard deviation (\ displaystyle \ \ sigma) to the mean (\ displaystyle \ \ mu) (or its absolute value, ( \ displaystyle \ mu) ). The CV or RSD is widely used in analytical chemistry to express the precision and repeatability of an assay. It is also commonly used in fields such as engineering or physics when doing quality assurance studies and ANOVA gauge R&R. In addition, CV is utilized by economists and investors in economic models and in determining the volatility of a security.

What does the coefficient of variation tell us?
Student B:OK... The relevant sentence in the passage is: In probability theory and statistics, the coefficient of variation (CV), also known as relative standard deviation (RSD), is a standardized measure of dispersion of a probability distribution or frequency distribution.
a standardized measure of dispersion of a probability distribution or frequency distribution.

Student A:Jurassic World: Fallen Kingdom is a 2018 American science fiction adventure film and the sequel to Jurassic World (2015). Directed by J.A. Bayona, it is the fifth installment of the Jurassic Park film series, as well as the second installment of a planned Jurassic World trilogy. Derek Connolly and Jurassic World director Colin Trevorrow both returned as writers, with Trevorrow and original Jurassic Park director Steven Spielberg acting as executive producers.

Answer this question: when is the movie jurassic world coming out?
Student B:
OK... The important part for answering this question is: Jurassic World: Fallen Kingdom is a 2018 American science fiction adventure film and the sequel to Jurassic World (2015).
2018.