Given the fact that:  The size of the eroded particles depends on the velocity of the water. Eventually, the water deposits the materials. As water slows, larger particles are deposited. As the water slows even more, smaller particles are deposited.  Answer the question:   Wendy turned the hose from full blast to half power. This makes the stream more or less likely to be able to deposit large rock particles?
less

Given the fact that:  The older a person is, the greater their chance of developing a cardiovascular disease.  Answer the question:   What happens to John's risk of contracting a disease as he gets older it decreases or it increase?
it increase

Given the fact that:  The more current, the stronger the electromagnet.  Answer the question:   John started measuring the current, and notices that as the current got weaker the electromagnet became Weaker or Stronger?
Weaker