An ecologist suspects that an otherwise healthy forest ecosystem experienced an unusually high level of acid deposition during a snowy winter. Which of the following should the ecologist measure to help confirm her hypothesis? 1.The numbers of malnourished and/or poisoned trees

2.The aluminum concentration in the soil

3.The pH of the snowmelt

I only
II only
II and III only
I, II, and III

With my drivers ed ! another name for dash lights is a. vehicle problem indicators b. vehicle warning indicators c. vehicle status indicators d. vehicle caution indicators

Astudent is revising the sentence below: i know brendan was upset, but i feel he overreacted. you would have thought he'd just lost his best friend, the way he would bemoan his fate. based on the context of this sentence, which is the best synonym for bemoan? a. complain: express dissatisfaction or annoyance b. grieve: cause distress to someone c. nag: annoy with persistent fault-finding d. provoke: stimulate or incite

Which of these statements properly demonstrates the angle addition postulate for the m∠afc m∠afc ? a. m∠afc=m∠afb+m∠bfd m∠afc=m∠afb+m∠bfd b. m∠afc=m∠afb+m∠bfc m∠afc=m∠afb+m∠bfc c. m∠afc=m∠cfd+m∠dfe m∠afc=m∠cfd+m∠dfe d. m∠afc=m∠afb+m∠dfc+m∠cfb m∠afc=m∠afb+m∠dfc+m∠cfb