When the concentrations of estrogen and progesterone are low
Answer:
When they double the force of gravity quadruple.
Explanation:
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The average distance is 16,000 km
Converging rate is 10 cm/year
1 km = 100,000 cm
= 16,000 × 100,000/10 cm/year
= 160,000,000 years
It will then take 160 Million years to collide.
Answer:
Microorganisms or microbes are microscopic organisms that exist as unicellular, multicellular, or cell clusters