Most pollutants that enter estuaries break down over time, yet they are still considered a problem because none of these. pollutants after a time are not considered a problem in estuaries. the pollutants break down into still more dangerous toxins it is the volume of the pollutants, more than the time factor, that harms estuaries the pollutants eventually enter the ocean

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

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.

When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles