Which of the following is NOT a reason why many farmers choose industrial farming over free-range farming? Industrial farming may produce higher profits than free-range farming.

Industrial farming may be more efficient than free-range farming.

Industrial farming may allow animals to grow faster than free-range farming.

Industrial farming may be more ethical than free-range farming.

Earth's atmosphere is unique among the planets and is able to support life because it contains a large amount of a) oxygen b) helium c) methane d) carbon dioxide

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

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.