Heat from the sun makes it through near the Antarctic (where the hole is) is melting the ice and not allowing some key species to feed. seals don't have ice to come up for air through like normal so polar bears starve. loss of land means less food for a lot of species because the hunting grounds is closing and there is no room to expand.
Science experiments can be like “measuring how heart rate is effected by music “
Answer:
I'll take a look at your question
Explanation:
The Carbon Cycle is important to the life and development of Trees and Plants as a whole.
We breathe in Oxygen that is provided from the Trees that provide that provide it.
We exhale Co2 ((Carbon Dioxide)) for the Trees to breathe in. This entire cycle and process ensures that we survive as a planet.
As it is an essential part of life
Answer: B. Closed
In a closed circulatory system is the one in which the blood is circulated to all the parts of the body of the organism through vessels of different length and width. In this system the blood is pumped from the heart through blood vessels where it is transported to different organs and cells of the body instead of filling up the body cavity.
