Answer:
Artery
Explanation:
Artery carries blood from the heart to other part of the body. While vein return the denourished blood to the heart via the ivc
Mostly the sun. Producers use energy from sunlight to make energy combining Carbon dioxide and water to form organic matter
The answer is B
the earth indeed does generate heat although it wouldnt nearly be enough to hold the amount of life that prospers on earth......A is just stupid same for C so B is your answer .... :) hope it helps
Answer:
The cnidarian has a much simpler neural system system (neural net of nerve cells), with it's only goal to find food and survive, compared to the more brain-like (ganglia and brain) structure of the mollusk who needs to be able to hide from predators and prey as well as get away as quick as possible to ensure to survival.
Explanation:
I don't know if it's 100% right but its the best I could do. Hope it helps!
The water cycle has a process called evaporation.