Necesito la explicacion de los 3 tipos de biodiversidad que hay ,ploxx :)

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above