Answer:
Outermost
Explanation:
Valence electrons are the electrons in the outermost shell, or energy level, of an atom
MARK THIS AS THE BRAINLIEST!
C is your answer :)
And also C and D are true but its C.
This question is on Yahoo Answers
C! Because animal cells don’t have a cell wall! Have fun in Science!
Answer:
The Hay-flick Limit is a concept that helps to explain the mechanisms behind cellular aging. The concept states that a normal human cell can only replicate and divide forty to sixty times before it cannot divide anymore, and will break down by programmed cell death or apoptosis.
Answer:
As the body tries to fight the infection, the immune system causes inflammation to make it hard for the virus to copy itself. The process of fighting the infection causes most of the symptoms people have. As the virus makes its way down to the lungs it can cause the lungs to become inflamed. This can lead to pneumonia.
Explanation:
