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:
they are of the same genus but not of the same species and therefore they cannot mate to give rise to fertile off springs only organisms from the same species are able to give rise to fertile offsprings
The correct answer is central nervous system
The process likely to be occurring in the plant's roots will be nitrogen fixation.
<h3>What is nitrogen fixation?</h3>
It is a process whereby atmospheric nitrogen is converted to usable forms of nitrogen in the soil.
Nitrogen fixation takes place in the root nodules of leguminous plants in association with some symbiotic bacteria.
Thus, the only process that could be happening in the plant's root is nitrogen fixation.
More on nitrogen fixation can be found here: brainly.com/question/19938608
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