A class is debating pros and cons of using sea walls to reduce beach erosion. What is the best way for them inform their decision-making?

They should each write an opinion paragraph to send to the local paper.

They should hold the debate on stage, so that they can be judged.

They should watch movies about beaches.

They should research wave action and collect data about erosion in the area.

The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

Resperation is a way to release carbon back into the atmosphere