In photosynthesis, energy of the sun is used to change carbon dioxide and water into: 1. trace elements 2.nitrogen and oxygen 3. oxygen and sugar 4.potassium and phosphorus and if you answered this god bless you and you so much your a life saver

Natalie had random hand movements when she was two months old. when she was six months old, she used to grab a block with her whole hand. now at the age of ten months, she can grasp the same block with her thumb and forefinger. this sequence of growth in her hand and finger movements is according to the pattern.

1. the is the thinnest part of the earth. 2. the is the thickest part of the earth. 3. what metals are mentioned in the text?

Why is excretion necessary to maintain homeostasis?