As a fresher what is the first topic of intergrated sciences

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

The assembly called for a "bill of rights" that would list u. s. citizens'