Which scenario would be considered a hard solution for avoiding damage by natural disasters?
a. Changing building codes to require that coastal homes be built on stilts.
b. Reserving hazardous areas for parkland and recreation.
c. Building a levee along the banks of a river.
d. Allowing new construction only in hazard-free zones.
e. Requiring homeowners to repair damaged structures to meet stronger guidelines.
Question 2
Companies cannot always offer affordable disaster insurance because ____.
a. there is very little profit that companies can make from people who have suffered losses from a disaster
b. people affected by a disaster are unlikely to remain in the area and will no longer be customers
c. federal bureaucracy requires companies to spend large amounts of money recording claims in federal court
d. federal disaster relief makes people unlikely to buy enough insurance
e. the cost of an unexpected catastrophe can exceed the amount of money that company has received for policies
A possible “RNA world” scenario
One Solution to the Nine-Dot Problem
Selected Natural Products
Some drugs are still derived from natural sources
Chart showing average yearly dose of radiation from natural and human-made sources
Section of a normal brain (left) and an HD brain (right). The HD brain shows extensive damage to the