(earth space sci) answer quick & fast to get brainliest, you. what part of a barred spiral galaxy has the highest density of matter? a. the halo b. the disk c. the nucleus d. an open cluster

What did the first language sound like

How does science influence the decisions made about social, economic, and political issues?

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.