Define the following terms: 1.Menstruation:
2.Menstrual cycle:
3.Menstrual Phase:
Ovulation:
fertilization

answer u get big points

A10.2 g sample of zinc is placed in a 10-ml bottle andthe bottle is filled with water at 20 °c. the total mass is44.8 g. the density of water at 20 °c is 0.9982 g/ml. thedensity of zinc is 7.14 g/cm". what is the approximateweight of the bottle in grams, when empty? ​

In your own words,what is point of refference and how important it is?

Where is geothermal energy found?