Your answer is c for #3, hope i helped!
All blood enter in the right side of the heart through two vein they are called superior vena cava also stand for SVC and the inferior vena cava also stands for SVC
The SVC collects blood from the upper half of the body and the ICC collects blood from the lower half of the body.
And also the blood leaves the SVC and IVC and enters the right atrium
Answer:
here
Explanation:
since is man made it's obviously someway going to help.the environment like for example it could help prevent sickness
An invasive species is the correct answer
