Arectangle 10 ×9×18 surface area

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.

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

How does the carbon cycle involve an exchange of carbon