Answer:
Explanation: you should always believe in your self
Approximately 98 elements occur naturally on earth.
The circulatory system circulates blood around the body. The blood passes through the lungs, where it loses carbon dioxide and gains oxygen. All cells need oxygen to function and carbon dioxide is a form of waste produced in the cells. The digestive system breaks down food and absorbs.
Answer:
Achondroplasia
Explanation:
Achondroplasia is a genetic disorder that comes from the inability to change cartilage into bone, especially in long bone. The characteristic of the disease is short stature, large head, vertebral abnormalities, and many other possible symptoms. It's inherited genetically by a dominant pattern, but most cases come from a mutation from a parent that has no defect gene. It is the most common cause of dwarfism.
Answer: D
Explanation:
A) - Makes no sense, so no
B) - Experiments in laboratories must be controlled, so no.
C) - A laboratory is a regulated environment, so no.
D) - Only D makes sense, as it is true.
