Scientists group similar organisms together through a process called …..

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

d. groundwater flows through the subsoil and deposits minerals.