About ova will ripen and be released during the fertility period between puberty and menopause.
a. 250
b. 50
c. 500
d. 100

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

the  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

happy to

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and after water is usually warmed by the sun the water temperature raises and then evaporates .