The answer is D all forms of life depend on each other for survival
Answer: Four pulmonary veins.
Explanation: Oxygen and nutrient rich blood will flow from the lungs back into this part called the left atrium (Or as some will call it, the left upper chamber in the heart). From there, it goes through four pulmonary veins.
Hope I could help! :)
Answer:
can you expand on that it not clear what you want
Answer:
NON DISJUNCTION: when 2 homologous chromosomes move to the same pole during meiosis. One daughter cell will be missing one chromosome while the other will have an extra chromosome.
Explanation:
The first answer is volcanoes
The second answer is They move because of convection currents in the mantle
