Answer:
The Urinary bladder, the ureter, and the urethra are all organs that belong in the execratory system.
The heart and spinal chord are not organs in the execratory system. The spinal chord belongs to the nervous system and the heart belongs to the circulatory.
Answer:
B-6:30p.m. on the same day
Explanation:
I would select B or C as the answer because i have no idea what the other ones are :)
The decomposition of marine plants that depletes dissolved oxygen
B) Flu is easily transmitted from person to person.
If there is a very big population density, it means more people are present in a small amount of space. Thus they will come into contact more often and the virus is likelier to spread more rapidly.