In the some areas of Africa, droughts have caused clean drinking water sources to dry up. How would technology most likely be useful for this
region?
A. Development of transportation
B. Caring for an aged population
C. Purifying dirty water
D. Development of high-speed communication

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.