Answer: systemic veins and pulmonary arteries; pulmonary veins and systemic arteries
Explanation:
Based on what we have learned so far about the cardiovascular and respiratory systems, blood pH should be lower in the <u>systemic veins and pulmonary arteries</u> compared to the <u>pulmonary veins and systemic arteries</u>.
Answer:
I think your answer would be the animal lived millions of years ago.
Hope I helped!
Answer:
commensalism
Explanation:
One organism is benefited while the other is not harmed or benefited.
<span>Mercury oxide --- > liquid mercury plus oxygen.
If 10 grams of mercuric oxide were being heated, and 9.3 gram of liquid mercury is being produced. To find the grams of oxygen produced is, you take the mass of mercuric oxide minus the mass of liquid mercury which is 10 grams - 9.3 grams = 0.7 grams.
The answer is 0.7 grams.</span>
