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.

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?

Some species of wasps are social. the queen starts a colony from scratch each spring. she builds a small nest, and lays and raises a group of female workers. the workers enlarge the nest while the queen continues to lay eggs. unfertilized eggs become males that mate with newly hatched females. all of the wasps except the newly fertilized females die by the summer. which best describes this behavior? a)it is beneficial only to the males that do not fertilize eggs. b)it is beneficial only to the female workers that are not fertilized. c)it is beneficial to each one of the individual colony members. d)it is beneficial to the whole species, but not to all of the individual members.

How does a catalyst influence a chemical reaction?