When lactose is not present, what happens to E. coli is that the genes that produce the enzymes needed to break down lactose are not expressed. The correct answer is B.
Out of the photosynthesis (plants).
By the process of cell differentation
Answer:
The fastest rate of growth is usually 1 to 2 years after puberty has started. Developing physically into an adult takes 2 to 5 years. Most boys will stop growing taller by age 16 and will usually have developed fully by 18.
Mud will keeo the foot print thing of it like this you cannot walk on water so there is no footprint sand blows easy so it wont stay either mud is soft and moldable so your footprint would stick and you cant have a footprint on rock cause its hard
