I just had a whole presentation typed for English class and then I accidently deleted all of it. IT TOOK ME 2 HOURS TO TYPE THAT PRESENTATION

How do astronomers measure the amount of dark matter in the universe

States might choose to cooperate at the regional or global level for all of the following reasons except (2 points) a.) to gain regional political influence b.) to engage in dispute resolution c.) to assure basic human rights d.) to encourage economic interaction e.) to increase national sovereignty

You are only allowed to use tutors that your school recommends. t / f