Which question can be answered by scientists

Which of the following is not an example of conflict between related individuals?

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.

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.