The equation shows reactants to a neutralization reaction. Ca2 OH– H NO Which describes what will happen to the H when these reactants form products? H binds with NO to make a salt. H binds with Ca2 to make an acid. H binds with OH– to make water. H binds with Ca2 to make a base.

Which of the following attitudes is not likely to lead to unsafe decisions? a. anxiety b. composure c. overconfidence

Which statements about the two fossil images are correct? 1. cave bears are ancestors of plateosaurus. 2. plateosaurus were present on earth before ostracoderms. 3. ostracoderms were the first to die. 4. plateosaurus died after the ostracoderms. 5. cave bears are the oldest fossils.

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.