As you know, the oceans are a complex system that covers most of the earth, and contains a huge amount of resources. protecting these resources is one reason to try and prevent the pollution of the oceans. algae is one ocean resource in particular that is vulnerable to pollution. the algae are a valuable resource because they absorb carbon dioxide from the atmosphere and release into the atmosphere. a) oxygen b) nitrogen c) water vapor d) carbon monoxide

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.