Answer:
mechanical water so its the second one
Answer:
Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat, or light. (I'm sorry this is about Pollution, it should be about Pollination, I misread it sorry,)
Pollination:
Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma. The goal of every living organism, including plants, is to create offspring for the next generation. One of the ways that plants can produce offspring is by making seeds.
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 is c bruh
you could have googled it to but i guess this is easier