Answer:
Between one-third and one-half of all fertilized eggs never fully implant. A pregnancy is considered to be established only after implantation is complete
CROSSING OVER
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Answer:
The stratification of Earth into its geologic layers was brought about by the formation of the Earth's iron core. The iron core was generated by a combination of radioactive decay and gravitation, which raised the temperature enough for molten iron to form.
Explanation:
It’s D “doing 100 sit ups in 5 minutes”
Answer:
The correct answer is - induces eating in animals, even if they are full.
Explanation:
