Answer:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.
Answer: D. sharing them with others.
Explanation:
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Answer:
the 1st answer is this
If progesterone is absent or levels are too low, irregular and heavy menstrual bleeding can occur. A drop in progesterone during pregnancy can result in a miscarriage and early labour. Mothers at risk of giving birth too soon can be given a synthetic form of progesterone to delay the onset of labour.
the 2nd answer is this
If a poor-quality egg is fertilized, either the embryo is unable to implant, or the embryo initially implants, but is unable to develop properly, resulting in a subsequent miscarriage.
the 3rd answer is this
An embryo with genetic abnormalities can form a blastocyst (embryo at day 5 or 6) and be transferred to the uterus but will later miscarry.
the 4th answer is this..
it will lead to anolvulation
the 5th answer is this
In case the blastocyst does not implant, the lining of the uterus (endometrium) makes arrangements for the developing blastocyst to connect to it through many internal changes. Without these changes, implantation will not occur, and the embryo sheds off during menstruation
Explanation:
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Sewage systems can be regulated and controlled
