The leader of the senate is the sergeant at arms. the majority party whip. the majority party leader. the president of the senate.

the majority party leader

Explanation:

The leader of the Senate is the majority party leader within the house. As the Senate leader, this person is responsible for scheduling the daily legislative program and, along with the minority party leader, he or she creates the unanimous consent agreements that govern the time for debate. Since the 1920s, the Republicans and Democrats have been the first floor leaders of the U.S. Nowadays, the Republican Party is the majority party, and the Republican leader Mitch McConnell is serving as the Senate leader.

35 is your answer because i looked it up

genetics is the study of how dna works, the methodologies defining the new recent technologies allow scientist to have a panoramic view of the entire dna landscape, especially how genomes interact with their environment, including off course, factors outside their organisms.

thus is very possible the existence of both scenarios, where populations of isolated individuals have different genetic traits, and share traits related to genetic mutation, due rats can easily travel overseas using human transport channels. so scientists could get a vast number of data, including human interaction, evolution of rodents, health development, spread of infections, development of new organisms, how genomes evolve in different environments and so on.