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.
First one is D. I think because, and then, also this and that. then
Answer:
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Explanation:
Clean — Wash hands and surfaces often.
Separate — Don't cross-contaminate.
Cook — Cook to the right temperature.
Chill — Refrigerate promptly.
Hazardous wastes and water pollution for sure. Maybe even potential reactor accident