Examlex
How many grams of CO2 are produced from burning 4.20 g C2H4 in air?
Miscarriages
The spontaneous loss of a pregnancy before the 20th week, often due to natural causes related to fetal or maternal health issues.
Embryonic Stage
A period in prenatal development occurring from the end of the second week through the eighth week after conception, where major organs and structures within the organism begin to develop.
Germinal Stage
The first two weeks of prenatal development after conception, characterized by rapid cell division and the beginning of cell differentiation.
Foetal Stage
The developmental stage of a fetus from 9 weeks after fertilization until birth, characterized by rapid growth and development of bodily structures.
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