I believe it is Wegener's Theory of Continental Drift.
Answer:
B: 70% of life on earth became extinct
In an open circulatory system, the cells are in direct contact with the cells in the organism. An example of this is the jellyfish. In a closed circulatory system, cells are not in direct contact with the environment.Take our own bodies for example. When we inhale oxygen fills our lungs and diffuses into our blood. When we exhale, we release waste, or carbon dioxide and other gases.
The answer is C.
Glucose and oxygen are products because they’re the product made after photosynthesis is complete.
