Answer:
Oxygen or Minerals or Sugars (Oxygen is the most relevant one)
Explanation:
To survive, every cell must have a constant supply of vital substances such as sugar, minerals, and oxygen, and dispose of waste products, all carried back and forth by the blood cells. Without these substances, cells would die in a very short period of time.
Answer:
Jean-Baptiste Lamarck
Explanation:
Jean-Baptiste Lamarck was a French biologist which developed the first theory to understand how species change (evolve) over time. This evolutionary concept was published under the name of 'Theory of the Transmutation of Species' in the early 19th century. Subsequently, Darwin published his famous and widely accepted evolutionary theory in the book 'On the Origin of Species' (1859).
I'm pretty sure its microwaves
Nurses
Nurses are professionals that are trained to provide care for individuals, families, and communities with diseases, illnesses and injuries. Nurses usually accompany and assist physicians. Physicians depend on good nursing to ensure that patients are given the best care. Nurses make a physician’s job easier and they carry out specific services ordered by the physician. Duties of nurses include; educating patients, administration/prescription of medicines to patients and monitoring of patient’s health.