This is referred to as: spontaneous recovery
Spontaneous recovery is a theory of learning and memory which involves unexpected and recurrence of a conditioned response after a period of reduced response or delay. Spontaneous recovery is associated with classical conditioning and operant conditioning. Extinction will happen quickly after a spontaneous recovery, if the conditioned and unconditioned stimulus is not connected.
Answer:
H2O
Explanation:
Water molecule is made of 2 hydrogen atoms bonded with covalent union (sharing electrons) with 1 oxigen molecule
Explanation:
Leaf cells have chloroplasts, but root cells do not. Leaf cells can absorb nutrients from the air, but root cells require soil to absorb nutrients.
Well I believe that
aside from the big ones which are the DNA and RNA:
Some
proteins (such as telomerase) have bits of attached RNA. Ribosomes have a bit
of RNA. <span>
<span>We also have adenosine triphosphate, which is the energy koin
of the cell. </span></span>