<u>Paleolithic age:</u>
Paleolithic age was the age in the history which is also known as the stone age. It was given this name because the people of this age, mostly used tools which were made out of stones for their use.
There fore it got the name of stone age. The people in this age used sounds which were of different types to express themselves and to communicate with each other. This was also the time of cave paintings which people used to do on the stones or came up with fire.
Answer:
I they can enter the body if the skin is broken
Answer:
Observational method/Field experiment
Explanation:
A field experiment is conducted on a daily bases. In this field experiment, the experimenter still manipulates the independent variables.
But this happened only in real-life settings. In this experiment, the experimenter was not in that condition to control the extraneous variables. This experiment can conduct real life.
Thus Terence mentor recommends the observational method/field experiment.
I think the it is B hope that helps