Normal cells stop growing (reproducing) when enough cells are present. For example, if cells are being produced to repair a cut in the skin, new cells are no longer produced when there are enough cells present to fill the hole (when the repair work is done).
In contrast, cancer cells don’t stop growing when there are enough cells present. This continued growth often results in a tumor (a cluster of cancer cells) being formed.
An Arctic wolf is a secondary consumer.(That's how it survives.)
<span>A) Ultraviolet light stopped the replication process of bacteria.
Stopped or slowed this process, hint the sterilization.
The question doesn't directly ask this but, after a while a lot of bacteria become immune to treatment especially antibiotics. </span>
Answer:longitudinal design
Explanation: we need to know what is longitudinal design. By definition,
longitudinal design is the study of variables or group of variables which have similar cases and repeated over a long on short period of time. This cases happened between a similar group( teenage girls ), and it happened repeatedly over a long period of time, so this will require a longitudinal design.
your answers are b., travel, & E., loosely packed soil