Match the following. 1. isotopes
2. determine unique element
3. negligible mass
4. protons
5. arranged by atomic number
6. neutrons and protons
7. variation in atomic weight
8. forms lighter elements
9. forms heavier elements

1. isotopes - neutrons  

2. determine unique element - protons

3. negligible mass - electrons  

4. protons - atomic number

5. arranged by atomic number - periodic table

6. neutrons and protons - atomic weight

7. variation in atomic weight - isotope  

8. forms lighter elements - fission

9. forms heavier elements - fusion

Hi Tony :D

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 !         : )

i think this picture will you.