Which of the following subject areas contains questions that can be answered by science?.

Spider crabs live in the shallow regions of the ocean floor. algae tend to grow on the surface of spider crabs. the algae provide the crabs protection from predators by camouflaging them. the spider crabs give the algae shelter. what does this description suggest? 1. the algae are parasites of the spider crabs. 2. the algae and the spider crabs have a mutualistic relationship. 3. the spider crabs are commensals, and the algae are parasites. 4. the spider crabs benefit from the algae living on them. 5. the spider crabs are parasites of the algae.

The different layers of gases that extend form the surface of the earth into space

Saul reaches out to grab a pot of boiling water and something in his body sends a sensation to his brain to warn him of the heat coming from the handle. what organ is responsible for protecting saul from the heat?