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.
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Answer:
The correct option is <em><u>C. Foods that travel great distances cost less than foods bought locally.</u></em>
Explanation:
According to the scientific method of research, it gets initiated with a scientific question. To answer that question, a hypothesis is drawn. A hypothesis is a tentative statement based on which experiments are designed to check the authenticity of the hypothesis. Based on the observations and experiments, conclusions are drawn.
In the above-mentioned question, option C is a tentative statement that can be tested. Hence, it is the correct option.
