Both females and males have 46 chromosomes. When they have children, 23 of each parents chromosomes go together to make 46 chromosomes so the child can live, without all chromosomes their can be health issues.
Lifestyle and it's D I think lol
I think either b or d but I’m leaning towards d a little
Physical activity is helpful for your heart muscle and also strengthens your immune system also good for your lungs and helps maintain your weight <span />