Answer:
A. Nerve signals from the brain are controlling the arm.
Explanation:
Bec ause it starts at the brain and to the arm/hand!.
Francis Harry Compton Crick OM FRS (8 June 1916 – 28 July 2004) was a British molecular biologist, biophysicist, and neuroscientist. In 1953, he co-authored with James Watson the academic paper proposing the double helix structure of the DNA molecule.
I think it is 40 percent.hope this helped!
The vegetation is present in all parts of the field if it is left uncut for many years.
If a field has been left uncut for a year, the vegetation will grow to its highest point. But if the field is left uncut for five years and then in ten years, all the field is covered with dense vegetation including different types of plants.
The plants will grow and turn into shrub if they are not cut down. After 10 years the field looks like a forest with dense vegetative cover so we can conclude that all the field covered with vegetation if it is left uncut for many years.
Learn more: brainly.com/question/24867005
Answer: transfer of energy.
Explanation: