Answer: Carbon Dioxide, Nitrogen, Argon, and oxygen.
Explanation: Earth's atmosphere is 78% nitrogen, 21% oxygen, 0.9% argon, and 0.03% carbon dioxide with very small percentages of other elements.
The mitochondria and chloroplasts.
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Answer:
Coal and oil (if there are two answers)
The fertility doctor can help couple conceive by the use of fertility drugs.
<h3>What are fertility drugs?</h3>
Fertility drugs are those drugs that are used to restore fertility in individuals that have infertility problems.
The procedure that can be used by a fertility doctor to help a couple to conceive include the following:
- The use of fertility drugs such as Clomiphene (Clomid)
- Intrauterine insemination (IUI)
- in vitro fertilization (IVF).
In order to use fertility drugs such as Clomiphene (Clomid) effectively, the procedure include the following:
- The starting dosage of Clomiphene is 50 milligrams a day for 5 days.
- The pill should be taken the third, fourth, or fifth day after you start your period.
- The therapeutic effect of the drug is expected to take place about 7 days after you've taken the last dose.
- Most pregnancies happen within three cycles of ovulation.
Therefore, the fertility doctor can help couple conceive by the use of fertility drugs.
Learn more about fertility here:
brainly.com/question/26059016
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