Of the 50,000 species introduced into the United States, half are plants. Describe two ways in which exotic plants might be brought to a new
environment. How might we help prevent non-native plants from
establishing in new areas and posing threats to native communities?

Given sin=-4/5 and x is in quadrant 3, what is the value of tan x/2

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 the following is not one of the seven points from the pre-start checklist recommended by the nsc