What are the four main elements found in living things?

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.

Hybrid instruments that play sounds that are part sampled and part synthesized are known as:

Explain why ecosystem diversity results in species diversity in a healthy biosphere