It is a chemical process which enables heterotrophs to obtain energy without oxygen.
Answer:
The components of he respiratory system conduct air to the lungs ,such as the trachea (windpipe) which branches into smaller structures called Bronchi . The process of breathing (respiration) is divided into two distinct phases , inspiration (inhalation) and expiration (exhalation).
Explanation:
Answer:
Chemical energy changes into thermal energy and light energy
Because a spring is from where the water table is too high
