Which of the following is a cause of the challenges to Social Security? a. Economic depression c. Ageism b. Longer life expectancies d. Increasing dependency ratio.

Ialready know the answer to this question but i wanted to ask you guys to see if you know. who started the okinawan karate style ryukyu kempo? when year was it found?

All of the following are examples of sedimentary rocks except? a) sandstone made of small pieces of sand cemented together b) coquina made of small shells cemented together c) shale made of small silt particles cemented together d) quartzite, or sandstone that has been subject to high pressure and heat over time

The large ship carried british passengers across the ocean to america. whats the proper adjective in the sentence?