1. What is the central idea of the text?
O A Women were often kept out of social and political
movements by the men leading them.
O B Women have made important contributions to a variety
of social and political movements.
O C Women have largely contributed to the social and
political movements that directly impact them.
OD Women have made many important contributions to the
United States, but they have largely been kept quiet.

b. used to hunting for their food.

electricity

so thats all folks

what are the others?

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.