"<span>Photosynthesis" this is the process of obtaining and sending out glucose to keep the plant alive.
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The right answer is fertility awareness.
Although the egg is only fecundable about 12 hours after ovulation, sperm can fertilize an egg up to 5 days after the report; therefore, intercourse almost 5 days before ovulation can result in pregnancy. Thus, methods based on the awareness of fertility require a lack of intercourses during the 5 days before ovulation.
The condom will prevent the spermatozoa from reaching and fertilizing the egg (physical barrier).
The contraceptive pills disrupt the hormonal cycle.
Answer:
A buffer
Explanation:
A buffer is composed of a weak acid and a conjugate base. They are resistant to pH because of equilibrium between the acid and its conjugate base.
