Trilobites were abundant in pennsylvania. Trilobites were among the first of the arthropods, a phylum of hard-shelled creatures with multiple body segments and jointed legs. Their fossils first appeared in early cambrian period about 570 million years ago. The trilobite fossils show that during most of this time pennsylvania was providing favorable conditions for the trilobites.

What must students do with the 10 gird-ins on the math section of the psat

Choose the best option to complete the statement. the purpose of the first phrase of the u.s. constitution, "we the people," is to demonstrate the power of the president to the people show the people that the government leaders are in charge show that the people created the government and that it exists for the people discourage enemihoees of the people from trying to interfere with our country

Subsidized stafford loans: a. accrue interest while the student is enrolled full-time in school. b. are paid by the government. c. are paid by your parents. d. accrue interest 10 years after graduation.