Pangea separated into Laurasia in the north and Gondwanaland in the south.
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Answer:
Electronegativity values between atoms in a polar covalent bond have differences that lie between 0.4 to 1.7 which is clearly less than 1.7.
Missing term : Less
Explanation:
Electronegativity as we all know is the capability of holding the valence electrons by the atoms while forming bonds with one another. Now, when two atoms come together to form any kind of bonds, they tend to either lose their electrons, gain electrons from the other atom or collaborate to share them together.
To know at what instinct, the atoms are going to either form a covalent or an ionic bond, we need to know the difference between the electronegativity of both the atoms. this difference in electronegativity, defines the nature of the bond between them.
If the difference in electronegativity of atoms lies between 0.4 to 1.7, they tend to form a polar covalent bond and acquire a partial positive and negative charge, the electron being more biased to one of the atom.
On the other side, when the difference come greater than 1.7, the atoms tend to have a non-polar bond where they share the electrons with each other. Water is a good example of non-polar covalent bond.
Answer:
The Voting Rights Act of 1965, signed into law by President Lyndon B. Johnson, aimed to overcome legal barriers at the state and local levels that prevented African Americans from exercising their right to vote as guaranteed under the 15th Amendment to the U.S. Constitution. The Voting Rights Act is considered one of the most far-reaching pieces of civil rights legislation in U.S. history.
Selma to Montgomery March
Lyndon B. Johnson assumed the presidency in November 1963 upon the assassination of President John F. Kennedy. In the presidential race of 1964, Johnson was officially elected in a landslide victory and used this mandate to push for legislation he believed would improve the American way of life, such as stronger voting-rights laws.
The correct answer is B
bringing in immigrants from Ireland and China.
Any answer choices? Based off my memory I'm going to say maybe <span>new treatments for patients suffering from tuberculosis and yellow fever</span>