Kidneys
Ureters
Bladder
Urethra
Are in all animals urinary system
Though I'd only recommend an increase of handywork and skill, Out of the options above, i'd choose to use dull knives.
2. 25/100= 25 of 100 equal parts, 1/4= 1 of 4 equal part, and the decimal 0.25
3.110/100= 110 of 100 equal parts, 11/10= 11 of 10 equal parts, and the decimal 1.1
4. 1/2, because the shaded part (1)is half of the other part(2)
2/4,because the shaded part(2)is half of the other part(4)
3/6, because the shaded part (3)is half of the other part(6)
4/8,because the shaded part(4) is half of the other part(8)
A.the intensity of the activity