You can re-arrange your sentence in this way:
In order to identify the development of tornadoes, few required conditions can be described.
Explanation:
why hospitalized? choking? poisoning?
what age group should avoid this product under 2?
what is wrong with the paint? doors it contain lead? does it chip?
these are needed because they help the reader understand the risks.
example rewrite:
"Consumer Risk: Buddy Blocks"
A new product on the market, Buddy Blocks, poses serious risks to children. The blocks can break
easily causing a choking hazzard. Some children have even had to be hospitalized. The paint used on the blocks
is also unsafe as it contains high levels of lead. It has caused illness in several young children. children under the age of 2 should especially avoid playing with these blocks. The national consumer product panel is considering
removing this toy from the market because of the problems it has caused.
Student drivers are required to keep a log of their supervised driving hours. However, not all students are diligent in their record-keeping.
The transition that should be used to combine these sentences is the following one: however. This adverb is used to introduce a statement that contrasts with or appears to contradict something that has been previously said. In this case, you are saying that student drivers should keep a written record of their supervised driving hours yet you are also stating that not all of them do it thoroughly and well.
Answer:
Artificial is something that is simulated or made by humans, not by nature