You are sitting on a very slowly sinking ship out at sea. All of the electronics of the ship are fried so you cannot radio for help. You decide to write a message, put it in a bottle,
and throw it overboard. The waves have an amplitude of 0.4 m and their period is 5 s.
How long will it take the waves to move the water and deliver your message in a bottle to
land that is 3 km away?
Write a few complete sentences to explain how to determine this value.

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.