If this is a true or false question, then the correct answer would be true.
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Answer: Health officials use three types of data to link illnesses to contaminated foods and solve outbreaks: epidemiologic, traceback, and food and environmental testing.
Answer: Before about week 8 of pregnancy, a doctor may refer to the fetus as an embryo. The heart of an embryo starts to beat from around 5–6 weeks of pregnancy. Also, it may be possible to see the first visible sign of the embryo, known as the fetal pole, at this stage.
Photosynthesis its called.