1 After mitosis, the number of chromosomes in a
newly formed cell is
(1) double the number of the parent cell
(2) half the number of the
(3) equal to the number of the parent cell
(4) double the number of both parent cells
parent cell

use smarts app it gives all theanswers

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

answer >   yes we do, women; have three holes, urethral opening(pee hole, vagina, and the women pee/girls pee out of the urethra like the men do; only they have a single opening to pee/ejaculate.   (sorry if i'm too forward with this, but this is for a biology class, isn't it? )

hope that !         : )