Calculate the ph when 40. 0 ml of 0. 150 m koh is mixed with 20. 0 ml of 0. 300 m hbro (ka = 2. 5 × 10⁻⁹).

Which of the following is a presentation cue? a. crossing your arms b. mumbling c. repeating words d. whistling

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.

How was the sat? what type of questions for math, writing and reading. did anyone get a near perfect score and if so how long did it take to study. i am very stressed and want to get at least a 1450.