I. brazil became a stable democracy. ii. an increased amount of economic goods was produced. iii. there was growing global economic participation. iv. there was a greater need for educated workers. a. i. and iv. b. ii. and iii. c. ii., iii., and iv. d. i., ii., iii., and iv. btw it's not c 15 points

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2