Consider the Following to Answer the Question(s) Below

Consider the following to answer the question(s) below:
A health food company wants to determine the best process for blanching dark green vegetable material so it can be added to other food products without losing vitamin A. They are examining three different blanching processes to determine which is best in terms of vitamin A retention (mg/100mg) . The data collected and partial ANOVA results appear below.

-The correct null hypothesis is

A) mean vitamin A retention amounts are not all equal across the three blanching processes.
B) mean vitamin A retention amounts are equal across the three blanching processes.
C) blanching process has an effect on vitamin A retention.
D) all three blanching processes are different from each other.
E) exactly two mean vitamin A retention amounts are equal across the two particular blanching processes, and one mean is different.