Developmental psychology is the field that primarily studies how humans grow and develop.

True;

True.

Explanation:

The Psychology of Human Development, studies the development of the human being in the aspects: intellectual, social, physical, emotional, descends from birth until adulthood, ie, this is the field that studies mainly how humans grow and develop. It studies how cognition develops and how behavior changes during the growth phase, bringing a multitude of knowledge to the field of applied psychology.

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b. lithosphere, asthenosphere, mesosphere   is the answer most likely