Hull fouling is a(n) introduction of nonnative species. a. unintentional b. intentional c. unimportant d. land-based

Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm? a) it produces seeds. b) it retains its fertilized egg within its archaegonium. c) it lacks gametangia. d) it undergoes alternation of generations.

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere