Answer: Experiment - randomized block design
Explanation:
A randomized block design (RBD) is an experimental study where the scientist classifies subjects into different groups, denominated blocks. The subjects within each block are assigned to the different treatments, varieties of wheat in this example.
A randomized block design is effective when the subjects within blocks are comparable in how they influence the response variable but differ from other blocks.
It's between b and c because they are good examples but c is more recommended
Well if were dealing with magnets then they will attract
hope this helps
Mark is using "focused attention meditation".
This is a style of Buddhist practice includes maintaining
specific consideration minute by minute on a picked object, such the vibes of
breathing or the sound in the given example, or even the vibes of strolling.
Individuals utilize focused attention (FA) meditation to accomplish long term
intellectual additions from the development of new mind cells in the
hippocampus.