I believe it’s carbon dioxide, because you use your respiratory system to breathe in oxygen, and oxygen goes through your circulatory system. And you breathe out CO2.
Answer:
D. provitamin.
Explanation:
A provitamin is a substance that the body can transform into an active vitamin through metabolic processes. If compared with vitamins, provitamins have no biological activity or are much lower. In other words, provitamins are vitamin precursors.
Although not very frequent, sometimes you can see the term previtamin used as a synonym.
For example, beta-carotene, the most abundant carotenoid in nature, has about one sixth of the biological activity of retinol, or vitamin A, but can be transformed into retinol in the liver by an enzymatic reaction.
The best thing to do with the increasing pollution in your area is to do steps stated in letter A. It is essential that the council be informed of the problem and there is a need to follow up on the progress as well. The cooperation of everyone involved in this problem is deemed very necessary.
Answer:
Explanation:
What is the primary focus of the field of abnormal psychology?
Abnormal psychology focuses on the patterns of emotion, thought, and behavior that can be signs of a mental health condition. Rather than the distinction between normal and abnormal, psychologists in this field focus on the level of distress that behaviors, thoughts, or emotions might cause