Which term defines seeking some way of achieving a goal by overcoming obstacles or finding an answer to a question?

What do you think car designers do if the damage caused by a crash test is too severe?

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.